Update valkey_container_network condition

group_vars/matrix_servers

@@ -3649,7 +3649,7 @@ matrix_media_repo_container_additional_networks: |
       +
       ([matrix_playbook_reverse_proxyable_services_additional_network] if (matrix_playbook_reverse_proxyable_services_additional_network and matrix_media_repo_container_labels_traefik_enabled) else [])
       +
-      ([valkey_container_network] if valkey_enabled else [])
+      ([valkey_container_network] if valkey_enabled and matrix_media_repo_redis_enabled else [])
     ) | unique
   }}