Restore Gitaly version to mitigate S2 incident
What does this MR do and why?
Restore Gitaly version to a47a975ef7d4ef51e0d68c5662d5cb3bb5b83b76
to mitigate gitlab-com/gl-infra/production#5661 (closed)
a47a975ef7d4ef51e0d68c5662d5cb3bb5b83b76
is the version that is currently running in production
Edited by Mayra Cabrera