Merge branch 'dont-checkout-master-in-gitlab-housekeeper-git' into 'master'

Don't checkout master when running gitlab-housekeeper

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/150259



Merged-by: Dylan Griffith <dyl.griffith@gmail.com>
Approved-by: Dylan Griffith <dyl.griffith@gmail.com>
Co-authored-by: Rémy Coutable <remy@rymai.me>