GitHub Actionsの基本（1）：プルリクエストに自動でラベルとレビュアーを付与する方法

└── .github
    ├── workflows
    │   └── pull_request.yml
    └── config
        └──auto_assign.yml

name: Set Pull Request
on:
  pull_request:
    types: [opened]
jobs:
  set_pull_request:
    runs-on: ubuntu-latest
    steps:
      - name: auto-labels
        uses: andymckay/labeler@master
        with:
          add-labels: 'sample1, sample2'
          repo-token: ${{ secrets.GITHUB_TOKEN }}

name: Set Pull Request
on:
  pull_request:
    types: [opened]
jobs:
  set_pull_request:
    runs-on: ubuntu-latest
    steps:
      - name: auto-labels
        uses: andymckay/labeler@master
        with:
          add-labels: 'sample1, sample2'
          repo-token: ${{ secrets.GITHUB_TOKEN }}
      # ↓ ここから追加 ↓
      - name: auto-assign
        uses: kentaro-m/auto-assign-action@v1.2.4
        with:
          configuration-path: '.github/config/auto_assign.yml'
          repo-token: ${{ secrets.GITHUB_TOKEN }}

#Ref:https://github.com/kentaro-m/auto-assign-action

# Set to true to add reviewers to pull requests
addReviewers: true

# Set to true to add assignees to pull requests
addAssignees: author

# A list of reviewers to be added to pull requests (GitHub user name)
reviewers:
  - test_user_1
  - test_user_2

# A number of reviewers added to the pull request
# Set 0 to add all the reviewers (default: 0)
numberOfReviewers: 0

skipKeywords:
  - bump #dependabotは除外