chore(deps): update dependency livekit_server to v1.9.4-0

Author: renovate[bot]

requirements.yml

@@ -28,7 +28,7 @@
   version: v10590-0
   name: jitsi
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-livekit-server.git
-  version: v1.9.3-0
+  version: v1.9.4-0
   name: livekit_server
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-ntfy.git
   version: v2.14.0-3