feat(docker): add Docker volume for Redis

Although we don't need persistent data, this prevents Docker from creating various volumes for the service.

docker-compose.yaml

@@ -39,6 +39,8 @@ services:
     container_name: hs-tms_redis
     image: redis:7.2
     restart: always
+    volumes:
+      - redis_data:/data
     environment:
       - TZ=Europe/Lisbon
     networks:
@@ -103,5 +105,6 @@ networks:
 volumes:
   postgres_data:
   postgres-demo_data:
+  redis_data:
   backend_storage:
   caddy_data: