chore(deps): bump virtualenv from 21.2.4 to 21.7.12 in /libs/cli (#9159)

Bumps [virtualenv](https://github.com/pypa/virtualenv) from 21.2.4 to
21.7.12.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/pypa/virtualenv/releases">virtualenv's
releases</a>.</em></p>
<blockquote>
<h2>21.7.12</h2>
<!-- raw HTML omitted -->
<h2>What's Changed</h2>
<ul>
<li>🔧 chore(changelog): drop dead CVE-2026-24049 fragment by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3249">pypa/virtualenv#3249</a></li>
<li>🐛 fix(activation): escape batch quote() against injection by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3250">pypa/virtualenv#3250</a></li>
<li>🐛 fix(seed): verify downloaded wheel digests by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3251">pypa/virtualenv#3251</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/pypa/virtualenv/compare/21.7.11...21.7.12">https://github.com/pypa/virtualenv/compare/21.7.11...21.7.12</a></p>
<h2>21.7.11</h2>
<!-- raw HTML omitted -->
<h2>What's Changed</h2>
<ul>
<li>Add OpenSSF Scorecard workflow by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3238">pypa/virtualenv#3238</a></li>
<li>Document AI-assisted contributions and licensing policy by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3239">pypa/virtualenv#3239</a></li>
<li>👷 ci(release): attest and sign release provenance by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3242">pypa/virtualenv#3242</a></li>
<li>👷 ci: harden Scorecard-scored checks in CI by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3241">pypa/virtualenv#3241</a></li>
<li>🐛 fix(ci): parallelize graalpy tests, recover crashed workers by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3240">pypa/virtualenv#3240</a></li>
<li>🐛 fix(ci): mark real-shell activation tests as slow by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3243">pypa/virtualenv#3243</a></li>
<li>👷 ci: run macOS jobs on macos-26 by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3244">pypa/virtualenv#3244</a></li>
<li>🐛 fix(activation): undo a live activation before activate.bat saves
values by <a
href="https://github.com/darrenhuai"><code>@​darrenhuai</code></a> in <a
href="https://redirect.github.com/pypa/virtualenv/pull/3245">pypa/virtualenv#3245</a></li>
<li>🐛 fix(create): keep pyvenv.cfg values on a single line by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3247">pypa/virtualenv#3247</a></li>
<li>🔧 chore(test): add opt-in Atheris fuzz harness by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3246">pypa/virtualenv#3246</a></li>
<li>📝 docs(readme): add OpenSSF Best Practices badge by <a
href="https://github.com/gaborbernat"><code>@​gaborbernat</code></a> in
<a
href="https://redirect.github.com/pypa/virtualenv/pull/3248">pypa/virtualenv#3248</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/pypa/virtualenv/compare/21.7.10...21.7.11">https://github.com/pypa/virtualenv/compare/21.7.10...21.7.11</a></p>
<h2>21.7.10</h2>
<!-- raw HTML omitted -->
<h2>What's Changed</h2>
<ul>
<li>🔧 chore: check spelling with typos in pre-commit by <a
href="https://github.com/even-even"><code>@​even-even</code></a> in <a
href="https://redirect.github.com/pypa/virtualenv/pull/3235">pypa/virtualenv#3235</a></li>
<li>🐛 fix(activation): keep and restore the user's TCL_LIBRARY and
TK_LIBRARY by <a
href="https://github.com/darrenhuai"><code>@​darrenhuai</code></a> in <a
href="https://redirect.github.com/pypa/virtualenv/pull/3234">pypa/virtualenv#3234</a></li>
<li>🐛 fix(create): skip blank and comment lines in pyvenv.cfg by <a
href="https://github.com/r3wretrhy"><code>@​r3wretrhy</code></a> in <a
href="https://redirect.github.com/pypa/virtualenv/pull/3232">pypa/virtualenv#3232</a></li>
<li>🐛 fix(activation): restore PKG_CONFIG_PATH that was not set before
by <a href="https://github.com/darrenhuai"><code>@​darrenhuai</code></a>
in <a
href="https://redirect.github.com/pypa/virtualenv/pull/3233">pypa/virtualenv#3233</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/r3wretrhy"><code>@​r3wretrhy</code></a>
made their first contribution in <a
href="https://redirect.github.com/pypa/virtualenv/pull/3232">pypa/virtualenv#3232</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/pypa/virtualenv/compare/21.7.9...21.7.10">https://github.com/pypa/virtualenv/compare/21.7.9...21.7.10</a></p>
<h2>21.7.9</h2>
<!-- raw HTML omitted -->
<h2>What's Changed</h2>
<ul>
<li>fix(test): EncodingWarning: 'encoding' argument not specified by <a
href="https://github.com/even-even"><code>@​even-even</code></a> in <a
href="https://redirect.github.com/pypa/virtualenv/pull/3228">pypa/virtualenv#3228</a></li>
<li>🐛 fix(config): ignore a config file that fails to parse instead of
crashing by <a
href="https://github.com/darrenhuai"><code>@​darrenhuai</code></a> in <a
href="https://redirect.github.com/pypa/virtualenv/pull/3230">pypa/virtualenv#3230</a></li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/pypa/virtualenv/blob/main/docs/changelog.rst">virtualenv's
changelog</a>.</em></p>
<blockquote>
<h1>Bugfixes - 21.7.12</h1>
<ul>
<li>Fix <code>activate.bat</code> running arbitrary commands from a
crafted <code>--prompt</code>, <code>VIRTUALENV_PROMPT</code>, or config
file
value. (:issue:<code>3250</code>)</li>
<li>Verify a downloaded seed wheel's sha256 against PyPI before seeding
it into a virtual environment, skipped when a
custom pip index is configured. (:issue:<code>3251</code>)</li>
</ul>
<hr />
<p>v21.7.11 (2026-09-17)</p>
<hr />
<h1>Bugfixes - 21.7.11</h1>
<ul>
<li>Running <code>activate.bat</code> again before
<code>deactivate</code> no longer makes <code>deactivate</code> leave
the environment's
<code>PKG_CONFIG_PATH</code>, <code>TCL_LIBRARY</code> and
<code>TK_LIBRARY</code> behind, or lose values the user had set before
the first
activation - by :user:<code>darrenhuai</code>.
(:issue:<code>3245</code>)</li>
<li>Write <code>pyvenv.cfg</code> values on a single line, so a prompt
carrying a line boundary can no longer inject configuration.
<code>--prompt</code>, the <code>VIRTUALENV_PROMPT</code> environment
variable and the config file all set the prompt, and
<code>pyvenv.cfg</code> has no escape syntax, so a newline, a carriage
return, or any other boundary <code>str.splitlines</code>
recognizes, such as <code>U+2028</code>, started a new configuration
line. Reading the file back picked up those lines as keys,
and since the last value for a key wins, they replaced anything written
earlier, including <code>home</code>. (:issue:<code>3247</code>)</li>
</ul>
<h1>Improved Documentation - 21.7.11</h1>
<ul>
<li>Document the policy for AI-assisted contributions and the licensing
rules for dependencies. (:issue:<code>3239</code>)</li>
</ul>
<h1>Misc - 21.7.11</h1>
<ul>
<li>:issue:<code>3238</code>, :issue:<code>3240</code>,
:issue:<code>3241</code>, :issue:<code>3242</code>,
:issue:<code>3243</code>, :issue:<code>3244</code>,
:issue:<code>3246</code></li>
</ul>
<hr />
<p>v21.7.10 (2026-09-15)</p>
<hr />
<h1>Bugfixes - 21.7.10</h1>
<ul>
<li>Skip blank lines, <code>#</code> comments and lines without
<code>=</code> in <code>pyvenv.cfg</code> instead of raising
<code>ValueError</code> - by
:user:<code>r3wretrhy</code>. (:issue:<code>3232</code>)</li>
<li><code>deactivate</code> in bash, fish and PowerShell unsets
<code>PKG_CONFIG_PATH</code> when activation found it unset, instead of
keeping the environment's <code>lib/pkgconfig</code>. csh activation no
longer drops a <code>PKG_CONFIG_PATH</code> the user had set.
Activation in batch, fish, nushell and PowerShell no longer adds a
trailing separator when <code>PKG_CONFIG_PATH</code> is
unset, and PowerShell and nushell build the value with the host's path
separators - by :user:<code>darrenhuai</code>.
(:issue:<code>3233</code>)</li>
<li>Activation in bash, csh, fish and PowerShell keeps the user's
<code>TCL_LIBRARY</code> and <code>TK_LIBRARY</code>, and
<code>deactivate</code>
restores them. csh and PowerShell removed both variables on every
activation, fish did so when the interpreter has</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/pypa/virtualenv/commit/9666b42afc8d6103e765d77958d7bae782f5406e"><code>9666b42</code></a>
release 21.7.12</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/a01ed3e2f239d6ab1fce62c5c7664ccf268fff6d"><code>a01ed3e</code></a>
🐛 fix(seed): verify downloaded wheel digests (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3251">#3251</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/d721ff140ce4afdc2a9b76751e4584e25d9fbea6"><code>d721ff1</code></a>
🐛 fix(activation): escape batch quote() against injection (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3250">#3250</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/087a2ef8bd3aa15b562a3558b1068f603e50f77a"><code>087a2ef</code></a>
🔧 chore(changelog): drop dead CVE-2026-24049 fragment (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3249">#3249</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/73e352ae02bfa52ffc0e307b04f1b6a7168c4eb0"><code>73e352a</code></a>
release 21.7.11</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/68ee5a3f27ca44912af9bd73c4c87e41978a8c08"><code>68ee5a3</code></a>
📝 docs(readme): add OpenSSF Best Practices badge (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3248">#3248</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/787d1c9a0843310200f37861e6b2744a7d1e5364"><code>787d1c9</code></a>
🔧 chore(test): add opt-in Atheris fuzz harness (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3246">#3246</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/a30f995461043acb6cacbf3a890951563ccf7140"><code>a30f995</code></a>
🐛 fix(create): keep pyvenv.cfg values on a single line (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3247">#3247</a>)</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/469dd28e659f7cd3e7d8cdb3f1245c125d32e817"><code>469dd28</code></a>
🐛 fix(activation): undo a live activation before activate.bat saves
values (#...</li>
<li><a
href="https://github.com/pypa/virtualenv/commit/a045a14c76dcb71d1811fe57aa6c5f4fad2357cd"><code>a045a14</code></a>
👷 ci: run macOS jobs on macos-26 (<a
href="https://redirect.github.com/pypa/virtualenv/issues/3244">#3244</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/pypa/virtualenv/compare/21.2.4...21.7.12">compare
view</a></li>
</ul>
</details>
<br />


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