Add release notes automation #1

	name: Generate Release Notes PR

	on:
	pull_request:
	workflow_dispatch:

	permissions:
	contents: write
	pull-requests: write

	jobs:
	release-notes:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repo
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Setup Node
	uses: actions/setup-node@v4
	with:
	node-version: 20

	- name: Install gren
	run: npm install -g github-release-notes

	- name: Get latest tag
	id: tag
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	TAG=$(gh api repos/${{ github.repository }}/tags --jq '.[0].name')
	echo "tag=$TAG" >> $GITHUB_OUTPUT

	- name: Generate release notes to file
	env:
	GREN_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	gren changelog \
	--repo ${{ github.repository }} \
	--tag ${{ steps.tag.outputs.tag }} \
	> release-notes.md

	- name: Create branch
	run: \|
	git checkout -b release-notes-${{ steps.tag.outputs.tag }}

	- name: Commit file
	run: \|
	git config user.name "github-actions[bot]"
	git config user.email "github-actions[bot]@users.noreply.github.com"

	git add release-notes.md
	git commit -m "Add release notes for ${{ steps.tag.outputs.tag }}"

	- name: Push branch
	run: \|
	git push origin release-notes-${{ steps.tag.outputs.tag }}

	- name: Create Pull Request
	env:
	GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	gh pr create \
	--title "Release notes for ${{ steps.tag.outputs.tag }}" \
	--body "Auto-generated release notes for tag ${{ steps.tag.outputs.tag }}" \
	--head release-notes-${{ steps.tag.outputs.tag }} \
	--base main

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