Bump Gitaly to 0.117.1 for Rouge update
Needed to synchronize CE with https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/21263 and to address https://gitlab.com/gitlab-org/gitlab-ce/issues/49474.
Needed to synchronize CE with https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/21263 and to address https://gitlab.com/gitlab-org/gitlab-ce/issues/49474.