Merge branch 'renovate-gems/gitaly' into 'master'

Update dependency gitaly to '~> 16.9.1'

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/145574



Merged-by: David Dieulivol <ddieulivol@gitlab.com>
Approved-by: Christian Couder <chriscool@tuxfamily.org>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>