chore(gitea): set dependency on db for Arcane updater

compose/gitea/docker-compose.yml

@@ -25,11 +25,14 @@ services:
     ports:
       - "${HTTP_PORT:-3100}:3000"
       - "${SSH_PORT:-222}:22"
+    labels:
+      com.getarcaneapp.arcane.depends-on: "db"
     depends_on:
       - db
 
   db:
     image: docker.io/library/postgres:14
+    container_name: gitea-db
     restart: always
     environment:
       POSTGRES_USER: "gitea"