chore: Update release workflow to write changelog to file

Signed-off-by: Austin Hornhead <[email protected]>

.github/workflows/release-new.yml

@@ -83,9 +83,14 @@ jobs:
       - name: Write changelog to file
         run: echo "${{ steps.changelog.outputs.changelog }}" > CHANGELOG.md
 
+      - name: Get the branch name
+        id: branch_name
+        run: echo "::set-output name=branch::$(if [ "${{ github.event_name }}" = "pull_request" ]; then echo ${{ github.head_ref }}; else echo ${GITHUB_REF#refs/heads/}; fi)"
+
       - name: Commit CHANGELOG.md
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
+          branch: ${{ steps.branch_name.outputs.branch }}
           commit_message: 'docs: update CHANGELOG.md for ${{ github.ref_name }} [skip ci]'
           file_pattern: CHANGELOG.md