Merge branch 'release-tools/update-gitaly' into 'master'

Update Gitaly version

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/169704



Merged-by: release-tools approver bot <project_278964_bot_77e28085fcec07f14dfd31c689824b5b@noreply.gitlab.com>
Approved-by: release-tools approver bot <project_278964_bot_77e28085fcec07f14dfd31c689824b5b@noreply.gitlab.com>
Co-authored-by: GitLab Release Tools Bot <delivery-team+release-tools@gitlab.com>

GITALY_SERVER_VERSION

-3ab6dc78bf07f1ef5dd697552261756b1e9f97a9
+80b47e3c58c2e52495d579d2c4f2071b1a793e21