Merge branch 'ash2k/v2-proto' into 'master'

Workhorse: use v2 proto API

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/137840



Merged-by: Igor Drozdov <idrozdov@gitlab.com>
Approved-by: Ash McKenzie <amckenzie@gitlab.com>
Approved-by: Igor Drozdov <idrozdov@gitlab.com>
Co-authored-by: Mikhail Mazurskiy <mmazurskiy@gitlab.com>