Merge branch '441626-move-ch-workers-to-ee' into 'master'

Move CH-related jobs from saas to ee

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/149442



Merged-by: Pavel Shutsin <pshutsin@gitlab.com>
Approved-by: Pavel Shutsin <pshutsin@gitlab.com>
Reviewed-by: Felipe Artur <fcardozo@gitlab.com>
Co-authored-by: Adam Hegyi <ahegyi@gitlab.com>