* remove deprecated branch.protect method
* add changelog fragment
* Update changelogs/fragments/4496-remove-deprecated-method-in-gitlab-branch-module.yml
Co-authored-by: Felix Fontein <felix@fontein.de>
Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit a8abb1a5bf)
Co-authored-by: York Wong <eth2net@gmail.com>