🔒️(agent) fix CRITICAL CVE-2026-63072 / CVE-2026-63073 in libssl3t64

Address the following CVEs reported by Trivy on the LiveKit agent
image against `libssl3t64` 3.5.7-1~deb13u2:

* CVE-2026-63073 — CRITICAL (CVSS 9.8)
* CVE-2026-63072

Bump `libssl3t64` to the patched version to pick up both fixes.

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to
 ### Fixed
 
 - 🔒️(backend) fix CVE-2026-73228 and CVE-2026-73229 in drf
+- 🔒️(agent) fix CRITICAL CVE-2026-63072 / CVE-2026-63073 in libssl3t64
 
 ## [1.32.0] - 2026-09-25
 

src/agents/Dockerfile

@@ -5,6 +5,7 @@ RUN sed -i "s|^URIs: http://|URIs: https://|" /etc/apt/sources.list.d/debian.sou
     && apt-get update && apt-get install -y --no-install-recommends  \
     libglib2.0-0 \
     libgobject-2.0-0 \
+    libssl3t64 \
     && rm -rf /var/lib/apt/lists/*