Update gitaly-proto to 0.35.0
No reason not to update, and will make contributions like https://gitlab.com/gitlab-org/gitlab-workhorse/merge_requests/192 easier to review.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
No reason not to update, and will make contributions like https://gitlab.com/gitlab-org/gitlab-workhorse/merge_requests/192 easier to review.