ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

Your repository allows merge commits and rebase merging. However, Backport only supports rebased and merged pull requests with a single commit and squashed and merged pull requests. Consider only allowing squash merging. See https://help.github.com/en/github/administering-a-repository/about-merge-methods-on-github for more information.