Merge branch 'pl-ci-gitaly-workhorse' into 'master'

CI: Run Workhorse related CI jobs whenever Gitaly is updated

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/150775



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