Update LiveKit Server (v1.12.0-0 → v1.13.1-0)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

requirements.yml

@@ -42,7 +42,7 @@
   version: v11031-0
   name: jitsi
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-livekit-server.git
-  version: v1.12.0-0
+  version: v1.13.1-0
   name: livekit_server
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-ntfy.git
   version: v2.24.0-0