K8s stop

[...]
    on_stop: 🧹

🧹:
  stage: 🧼
  script:
    - kubectl delete -f demo.yml -n ${CI_PROJECT_NAME}-${CI_COMMIT_REF_SLUG}
    - kubectl delete namespace ${CI_PROJECT_NAME}-${CI_COMMIT_REF_SLUG}
  when: manual    
  environment:
    name: ${CI_PROJECT_NAME}-${CI_COMMIT_REF_SLUG}
    action: stop