add_approve_label_to_pr.yml

name: Label approved pull requests
on: pull_request_review
jobs:
  labelWhenApproved:
    name: Label when approved
    runs-on: ubuntu-latest
    steps:
    - name: Label when approved
      uses: zooniverse/label-when-approved-action@v1.0.5
      env:
        APPROVALS: "1"
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        ADD_LABEL: "approved"