Bump Gitaly to v0.124.0
Bump Gitaly to v0.124.0

Fixes https://gitlab.com/gitlab-org/gitlab-ce/issues/52235

axilleas/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,iiet/iiet-git,dreampet/gitlab,axilleas/gitlabhq,mmkassem/gitlabhq,iiet/iiet-git,iiet/iiet-git,stoplightio/gitlabhq,iiet/iiet-git,stoplightio/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq,dreampet/gitlab,mmkassem/gitlabhq,mmkassem/gitlabhq,dreampet/gitlab