Add Ubuntu 22.04 to the supported OS list

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/99098



Merged-by: Achilleas Pipinellis <axil@gitlab.com>
Approved-by: Balasankar 'Balu' C <balasankar@gitlab.com>
Co-authored-by: Hossein Pursultani <hpursultani@gitlab.com>