Merge branch '454283-rubocop-as-if-foss' into 'master'

Run detect-tests and rubocop for as-if-foss pipelines

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/148560



Merged-by: Peter Leitzen <pleitzen@gitlab.com>
Approved-by: Peter Leitzen <pleitzen@gitlab.com>
Co-authored-by: Lin Jen-Shin <jen-shin@gitlab.com>