Fix client_max_body_size for workhorse
Bringing this back because it appears that error_page 418 hack that we use to reuse the gitlab-workhorse block is not using the client_max_body_size within that block.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Bringing this back because it appears that error_page 418 hack that we use to reuse the gitlab-workhorse block is not using the client_max_body_size within that block.