name: "Pull Request Labeler"
on:
  - pull_request_target

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

jobs:
  triage:
    permissions:
      contents: read
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/labeler@v4 # keep v4 due to unwanted behavior changes in later versions.