Update Actions documentation missing feature (#31034) (#31048)
Backport #31034 by @lunny
Fix
https://github.com/go-gitea/gitea/issues/25897#issuecomment-2117145391
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: yp05327 <576951401@qq.com>