Approved by all reviewers.

Create .github/workflows/unanimously-approved.yml.

name: Unanimously Approved

on:
  pull_request:
    types: [opened, reopened, synchronize, review_requested, review_request_removed]
  pull_request_review:
    types: [submitted, dismissed]

jobs:
  unanimously-approved:
    runs-on: ubuntu-latest
    timeout-minutes: 1

    steps:
      - uses: snow-actions/unanimously-approved@v2.1.0

Add review passing status to branch protection rules.
(unanimously-approved status always success because each event creates status and outdated status prevents merge.)

See ci.yml

• ubuntu-*
• windows-*
• macos-*
• self-hosted

• pull_request
• pull_request_review

• ✔️ Success when all reviewers approve
• ❌ Fail when some reviewers do not approve
• ❌ Fail when there is no reviewers

Optional.
See action.yml