changelog-release-update.yml

# .github/workflows/update-changelog.yaml
name: "Update Changelog"

on:
  release:
    types: [released]
  workflow_dispatch: ~

permissions:
  pull-requests: write
  contents: write

jobs:
  update:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      with:
        ref: ${{ github.event.release.target_commitish }}

    - name: Update Changelog
      uses: stefanzweifel/changelog-updater-action@v1
      with:
        latest-version: ${{ github.event.release.tag_name }}
        heading-text: ${{ github.event.release.name }}

    - name: Create Pull Request
      uses: peter-evans/create-pull-request@v6
      with:
        branch: docs/changelog-update-${{ github.event.release.tag_name }}
        title: '[Changelog] Update to ${{ github.event.release.tag_name }}'
        add-paths: |
          CHANGELOG.md