Fix Actions `pull_request.paths` being triggered incorrectly by rebase (#36045)#36054

lunny merged 3 commits intogo-gitea:release/v1.25go-gitea/gitea:release/v1.25from

Zettat123:backport/36045-to-1.25Zettat123/gitea:backport/36045-to-1.25Copy head branch name to clipboard