build(deps): bump posthog-node in /apps/OpenSignServer

Bumps [posthog-node](https://github.com/PostHog/posthog-js-lite/tree/HEAD/posthog-node) from 4.0.1 to 4.1.1.
- [Release notes](https://github.com/PostHog/posthog-js-lite/releases)
- [Changelog](https://github.com/PostHog/posthog-js-lite/blob/main/posthog-node/CHANGELOG.md)
- [Commits](https://github.com/PostHog/posthog-js-lite/commits/posthog-node-v4.1.1/posthog-node)

---
updated-dependencies:
- dependency-name: posthog-node
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

apps/OpenSignServer/package-lock.json

@@ -35,7 +35,7 @@
         "parse-server": "^7.2.0",
         "parse-server-api-mail-adapter": "^4.0.0",
         "pdf-lib": "^1.17.1",
-        "posthog-node": "^4.0.1",
+        "posthog-node": "^4.1.1",
         "ws": "^8.18.0"
       },
       "devDependencies": {
@@ -10095,11 +10095,11 @@
       }
     },
     "node_modules/posthog-node": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/posthog-node/-/posthog-node-4.0.1.tgz",
-      "integrity": "sha512-rtqm2h22QxLGBrW2bLYzbRhliIrqgZ0k+gF0LkQ1SNdeD06YE5eilV0MxZppFSxC8TfH0+B0cWCuebEnreIDgQ==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/posthog-node/-/posthog-node-4.1.1.tgz",
+      "integrity": "sha512-hva26cNSz62H76blhWUF8mZmE3Q81KTrkkpHEZlD00qDov/phLQCrKQnxwjiAN3yI9pv/0/uwte6Gluy1xBmUA==",
       "dependencies": {
-        "axios": "^1.6.2",
+        "axios": "^1.7.4",
         "rusha": "^0.8.14"
       },
       "engines": {

apps/OpenSignServer/package.json

@@ -44,7 +44,7 @@
     "parse-server": "^7.2.0",
     "parse-server-api-mail-adapter": "^4.0.0",
     "pdf-lib": "^1.17.1",
-    "posthog-node": "^4.0.1",
+    "posthog-node": "^4.1.1",
     "ws": "^8.18.0"
   },
   "type": "module",