Update .gitlab-ci.yml file

  stage: test

  script:

    - yarn version

frontend:

  stage: build

  image: node:16.13-alpine

  variables:

    GIT_STRATEGY: fetch

    GIT_CHECKOUT: "true"

  script:

    - apk add bash git openssh

    - npm install

    - npm run build

    - 'git diff --exit-code src dist || (echo "Error: Uncommitted changes detected"; exit 1)'

  artifacts:

    paths:

      - node_modules/

    expire_in: 6 mos

 No newline at end of file