.github/workflows/browserslist.yml

name: Update browsers list
on:
  workflow_dispatch: # To allow manual runs
  schedule:
    - cron: '0 0 1 * *' # Monthly

jobs:
  update:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - name: Update browerslist
        run: |
          git config user.name 'Compiler Explorer Bot'
          git config user.email 'mattgodbolt@users.noreply.github.com'
          make prereqs
          npm run update-browserslist
          git commit -am "Automated checkin - update browsers list"
      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v3
        with:
          title: "[bot] Update browsers list"
          body: |
           Automatic run of `npm run-update-browerslist` which needs to
            be done periodically to keep in-date.
            See [here](https://github.com/browserslist/browserslist#browsers-data-updating) for more details.