Use internal address for homeserver in mautrix-*

servers/mautrix/whatsapp/config.yaml

@@ -244,7 +244,7 @@ homeserver:
     # The address that this appservice can use to connect to the homeserver.
     # Local addresses without HTTPS are generally recommended when the bridge is running on the same machine,
     # but https also works if they run on different machines.
-    address: https://matrix.ellis.link
+    address: http://cwt-ellis-internal:6167
     # The domain of the homeserver (also known as server_name, used for MXIDs, etc).
     domain: ellis.link