Whitelist or fix additional `Gitlab/PublicSend` cop violations
An upcoming update to rubocop-gitlab-security added additional violations.
See https://gitlab.com/gitlab-org/rubocop-gitlab-security/merge_requests/5
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
An upcoming update to rubocop-gitlab-security added additional violations.
See https://gitlab.com/gitlab-org/rubocop-gitlab-security/merge_requests/5