Fix Synapse dual-stack bind warning: pin listener to 0.0.0.0

Made-with: Cursor

Author: romkey

apps/matrix/config/homeserver.yaml.default

@@ -10,6 +10,7 @@ pid_file: /data/homeserver.pid
 
 listeners:
   - port: 8008
+    bind_addresses: ['0.0.0.0']
     tls: false
     type: http
     x_forwarded: true