dependabot-auto-merge.yml

# https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions#enable-auto-merge-on-a-pull-request
#
# Our release process is not automated, so auto-merge risk can be considered low.
name: Dependabot auto-merge
on: pull_request

permissions:
  contents: write
  pull-requests: write

jobs:
  dependabot:
    runs-on: ubuntu-latest
    if: github.actor == 'dependabot[bot]'
    steps:
      - name: Dependabot metadata
        id: metadata
        uses: dependabot/fetch-metadata@5e5f99653a5b510e8555840e80cbf1514ad4af38 # v2.1.0
        with:
          github-token: "${{ secrets.GITHUB_TOKEN }}"
      - name: Enable auto-merge for Dependabot PRs
        # github-actions dependencies are used immediately, so avoid auto-merging them.
        if: |
          steps.metadata.outputs.package-ecosystem != 'github-actions' &&
          steps.metadata.outputs.update-type != 'version-update:semver-major'
        run: gh pr merge --auto --squash "${PR_URL}"
        env:
          PR_URL: ${{github.event.pull_request.html_url}}
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}