Clarify who reviews contracts
Supersedes https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/1517/
due to merge conflicts in that one.
\cc @pmachle1 @tiffanie @kirstenabma @sytses
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Supersedes https://gitlab.com/gitlab-com/www-gitlab-com/merge_requests/1517/
due to merge conflicts in that one.
\cc @pmachle1 @tiffanie @kirstenabma @sytses