name: Check actions

on:
  push:
    branches:
      - '*'
  pull_request:
    branches:
      - 'main'
      - 'release*'

jobs:
  check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
      - name: Ensure SHA pinned actions
        uses: zgosalvez/github-actions-ensure-sha-pinned-actions@555a30da2656b4a7cf47b107800bef097723363e # v2.1.3
        with:
          # slsa-github-generator requires using a semver tag for reusable workflows. 
          # See: https://github.com/slsa-framework/slsa-github-generator#referencing-slsa-builders-and-generators
          allowlist: |
            slsa-framework/slsa-github-generator