feat: add generate release notes action

README.md

@@ -16,6 +16,7 @@ Shared GitHub workflows and actions for DFINITY repositories.
 - [Check pull request title](./actions/check-pr-title/README.md)
 - [Create pull request](./actions/create-pr/README.md)
 - [Generate changelog](./actions/generate-changelog/README.md)
+- [Generate release notes](./actions/generate-release-notes/README.md)
 - [Setup Commitizen](./actions/setup-commitizen/README.md)
 - [Setup pnpm](./actions/setup-pnpm/README.md)
 - [Setup Python](./actions/setup-python/README.md)

actions/generate-release-notes/README.md

@@ -0,0 +1,41 @@
+# Generate release notes
+
+This action generates release notes based on the repository's commit messages according to the [Conventional Commits specification](https://www.conventionalcommits.org/en/v1.0.0/). It assumes [Python](https://www.python.org/), [pip](https://pip.pypa.io/en/stable/) and [Commitizen](https://commitizen-tools.github.io/commitizen/) are already setup, see the [setup Python action](../setup-python/README.md) and [setup Commitizen action](../setup-commitizen/README.md) for ready to use actions to do this.
+
+## Action inputs
+
+| Input       | Description                                         | Default                  |
+| ----------- | --------------------------------------------------- | ------------------------ |
+| `file_name` | The name of the file to write the release notes to. | `'RELEASE_NOTES.md'`     |
+| `version`   | The version to generate release notes for.          | `${{ github.ref_name }}` |
+
+## Example usage
+
+```yaml
+name: 'Generate release notes'
+
+on:
+  push:
+    tags:
+      - '[0-9]+.[0-9]+.[0-9]+'
+
+jobs:
+  generate_release_notes:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Checkout repository'
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: 'Setup Python'
+        uses: dfinity/ci-tools/actions/setup-python@main
+
+      - name: 'Setup Commitizen'
+        uses: dfinity/ci-tools/actions/setup-commitizen@main
+
+      - name: 'Generate release notes'
+        uses: dfinity/ci-tools/actions/generate-release_notes@main
+        with:
+          file_name: 'RELEASE.md'
+```

actions/generate-release-notes/action.yaml

@@ -0,0 +1,20 @@
+name: 'Generate release notes'
+description: 'This action generates release notes based on the repository's commit messages written according to the Conventional Commits specification.'
+
+inputs:
+  file_name:
+    description: 'The name of the file to write the release notes to.'
+    required: false
+    default: 'RELEASE_NOTES.md'
+
+  version:
+    description: 'The release version to generate release notes for.'
+    required: false
+    default: ${{ github.ref_name }}
+
+runs:
+  using: 'composite'
+  steps:
+    - name: 'Generate changelog'
+      shell: bash
+      run: cz changelog ${{ inputs.version }} --file-name="${{ inputs.file_name }}"