broadening who can sign what
\cc @AshleyS @EmilyKyle this was inspired by https://gitlab.slack.com/archives/peopleops/p1459977865000216
Also \cc @wilsonlau @pmachle @sytses for review.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
\cc @AshleyS @EmilyKyle this was inspired by https://gitlab.slack.com/archives/peopleops/p1459977865000216
Also \cc @wilsonlau @pmachle @sytses for review.