Automate PR with release notes draft

.github/workflows/release-drafter.yaml

@@ -1,4 +1,4 @@
-name: Release Drafter
+name: Draft Release Notes
 
 on:
   push:
@@ -14,13 +14,36 @@ jobs:
     permissions:
       # write permission is required to create a github release
       contents: write
+      pull-requests: write
     runs-on: ubuntu-latest
     steps:
       # Drafts your next Release notes as Pull Requests are merged into "master"
-      - uses: release-drafter/release-drafter@3f0f87098bd6b5c5b9a36d49c41d998ea58f9348 #v6.0.0
+      - name: Draft release notes
+        id: draft
+        uses: release-drafter/release-drafter@3f0f87098bd6b5c5b9a36d49c41d998ea58f9348 #v6.0.0
         # (Optional) specify config name to use, relative to .github/. Default: release-drafter.yml
         # with:
         #   config-name: my-config.yml
         #   disable-autolabeler: true
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          commitish: main
+      - name: Checkout
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 #v4.1.1
+      - name: Copy release notes from Draft
+        run: |
+          tag_name=${{ steps.draft.outputs.tag_name }}
+          echo "${{ steps.draft.outputs.body }}" > docs/release_notes/${tag_name:1}.md
+      - name: Upsert pull request
+        uses: peter-evans/create-pull-request@b1ddad2c994a25fbc81a28b3ec0e368bb2021c50 #v6.0.0
+        with:
+          commit-message: Add release notes for ${{ steps.draft.outputs.tag_name }}
+          committer: eksctl-bot <[email protected]>
+          body: |
+            Auto-generated by [eksctl Draft Release Notes GitHub workflow][1]
+
+            [1]: https://github.com/eksctl-io/eksctl/blob/main/.github/workflows/release-drafter.yaml
+          title: 'Add release notes for ${{ steps.draft.outputs.tag_name }}'
+          labels: kind/improvement, skip-release-notes
+          branch: update-release-notes