Fix `/repos/{owner}/{repo}/pulls/{index}/files` endpoint not populating `previous_filename` (#32017)#32028

yp05327 merged 1 commit intogo-gitea:release/v1.22go-gitea/gitea:release/v1.22from

GiteaBot:backport-32017-v1.22GiteaBot/gitea:backport-32017-v1.22Copy head branch name to clipboard