fix: no underscore, synapse doesn't like it

compose.telegram.yml

@@ -9,7 +9,7 @@ services:
     volumes:
       - telegram-data:/telegram-data
 
-  telegram_bridge:
+  telegrambridge:
     image: dock.mau.dev/mautrix/telegram:1f5b91cbec7866663d8dd8f4c9a62115e2905552-amd64
     depends_on:
       - telegram_db
@@ -36,7 +36,7 @@ services:
     networks:
       - internal
 
-  telegram_db:
+  telegramdb:
     image: postgres:13-alpine
     secrets:
       - telegram_db_password

telegram_bridge.yaml.tmpl

@@ -24,7 +24,7 @@ homeserver:
 # Changing these values requires regeneration of the registration.
 appservice:
     # The address that the homeserver can use to connect to this appservice.
-    address: http://telegram_bridge:29317
+    address: http://telegrambridge:29317
     # When using https:// the TLS certificate and key files for the address.
     tls_cert: false
     tls_key: false
@@ -40,7 +40,7 @@ appservice:
     # Format examples:
     #   SQLite:   sqlite:///filename.db
     #   Postgres: postgres://username:password@hostname/dbname
-    database: postgres://telegrambridge:{{ secret "telegram_db_password" }}@telegram_db/telegrambridge
+    database: postgres://telegrambridge:{{ secret "telegram_db_password" }}@telegramdb/telegrambridge
     # Additional arguments for asyncpg.create_pool() or sqlite3.connect()
     # https://magicstack.github.io/asyncpg/current/api/index.html#asyncpg.pool.create_pool
     # https://docs.python.org/3/library/sqlite3.html#sqlite3.connect