Fix Postgres volume mount for version 18.X

Author: nickjj

compose.yaml

@@ -56,7 +56,7 @@ services:
     restart: "${DOCKER_RESTART_POLICY:-unless-stopped}"
     stop_grace_period: "3s"
     volumes:
-      - "postgres:/var/lib/postgresql/data"
+      - "postgres:/var/lib/postgresql"
 
   redis:
     deploy: