fix: add rabbitmq hostname config to prod worker compose (#1049)

Author: mihow

docker-compose.worker.yml

@@ -14,6 +14,7 @@ services:
       - "5001:5000"
     extra_hosts:
       - "db:${DATABASE_IP}"
+      - "rabbitmq:${RABBITMQ_IP}"
       - "redis:${REDIS_IP}"
     command: /start
     scale: 0  # We don't need the Django service running, but we inherit the worker settings from it.