fix(api/repo/contents): set the dates to now when not specified by the caller (#35861)#35874

silverwind merged 1 commit intogo-gitea:release/v1.25go-gitea/gitea:release/v1.25from

GiteaBot:backport-35861-v1.25GiteaBot/gitea:backport-35861-v1.25Copy head branch name to clipboard