TZ for the migrator

template/{{ part_dir }}/docker-compose.yml.jinja

@@ -95,6 +95,7 @@ services:
         required: false
 {% endif %}    environment:
       RUN_ENVIRONMENT: prod
+      TZ: ${TZ:-UTC}
     volumes:
       - ./{{ prefix }}src:/app/src
       - ./{{ prefix }}migrations:/app/migrations