on_auto_merge.yaml

name: Auto merge enabled
on:
  pull_request_target:
    types:
      - auto_merge_enabled
jobs:
  add-go-label:
    runs-on: ubuntu-latest
    steps:
      - name: Add go label
        uses: actions/github-script@v5
        with:
          script: |
            github.rest.issues.addLabels({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              labels: ['go']
            })