Update update-changelog.yml

Author: bastianschwarz

.github/workflows/update-changelog.yml

@@ -13,6 +13,6 @@ jobs:
     uses: codenamephp/workflows.common/.github/workflows/update-changelog.yml@1
     needs: calculate_next_version
     with:
-      ref: ${{github.re}}
+      ref: ${{github.head_ref}}
       future-release: ${{ needs.calculate_next_version.outputs.version }}
-      release-branch: 'release'
+      release-branch: 'release'