Backport #27126 by @Zettat123
Related to #27039
The `ref` property in Gitea Actions is different from GitHub Actions.
This PR improves the documentation to explain the difference.
Co-authored-by: Zettat123 <zettat123@gmail.com>
(cherry picked from commit 7a99c7b83c)
Backport #26690 by @thomas-mc-work
… because it doesn't require a separate shell, spawning a process which
cost unnecessary resources and takes time.
Co-authored-by: Thomas McWork <thomas.mc.work@posteo.de>
(cherry picked from commit ecfed9e298)
