add auto changelog PR

.github/workflows/changelog-pr.yml

@@ -0,0 +1,50 @@
+name: Generate Changelog
+
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: write
+
+jobs:
+  changelog:
+    name: Generate changelog
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Generate a changelog
+        uses: orhun/git-cliff-action@v4.4.2
+        with:
+          config: cliff.toml
+        env:
+          OUTPUT: CHANGELOG.md
+          GITHUB_REPO: ${{ github.repository }}
+
+      - name: Commit
+        id: commit
+        run: |
+          TAG=${GITHUB_REF#refs/tags/}
+          echo "tag=$TAG" >> $GITHUB_OUTPUT
+          branch_name="$TAG-changelog"
+
+          git config user.name 'github-actions[bot]'
+          git config user.email 'github-actions[bot]@users.noreply.github.com'
+          set +e
+          git checkout -b "$branch_name"
+          git add CHANGELOG.md
+          git commit -m "chore: update changelog"
+          git push origin "$branch_name"
+
+      - name: Create Pull Request
+        uses: repo-sync/pull-request@v2
+        with:
+          destination_branch: main
+          source_branch: ${{ steps.commit.outputs.tag }}-changelog
+          pr_title: "chore: update changelog for ${{ steps.commit.outputs.tag }}"
+          pr_body: "Automated changelog update for release ${{ steps.commit.outputs.tag }}"