message: ci(vrt): update checkout stage to use pull request ref
diff: @@ -15,8 +15,10 @@ jobs:
  contains(github.event.pull_request.labels.*.name, 'update snapshots')
  runs-on: ubuntu-latest
  steps:
  - - name: Checkout repository
  - uses: actions/checkout@v3
  + - uses: actions/checkout@v3
  + with:
  + repository: ${{ github.event.pull_request.head.repo.full_name }}
  + ref: ${{ github.head_ref }}
  - name: Set up Node.js
  uses: actions/setup-node@v3
  with:
  @@ -39,6 +41,9 @@ jobs:
  shard: [1, 2]
  steps:
  - uses: actions/checkout@v3
  + with:
  + repository: ${{ github.event.pull_request.head.repo.full_name }}
  + ref: ${{ github.head_ref }}
  - name: Use Node.js 16.x
  uses: actions/setup-node@v3
  with:
  