typo in livekit-server validate.

roles/custom/matrix-livekit-server/tasks/validate_config.yml

@@ -10,4 +10,4 @@
     - {'name': 'matrix_livekit_server_base_path', when: true}
     - {'name': 'matrix_livekit_server_container_network', when: true}
     - {'name': 'matrix_livekit_server_image', when: true}
-    - {'name': 'matrix_livekit_image', when: true}
+    - {'name': 'matrix_livekit_server_image', when: true}