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

Update Gitaly version

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/170577



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

-40de4e0a29be9e36d94c83e2d06e232d20721829
+2640b62ff166ec2713e65516204c6f2621c0232a