Point to issue template for PRR
Since @jarv made the Production readiness review an issue template, we should point to that instead of the page in the handbook.
\cc @sitschner
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Since @jarv made the Production readiness review an issue template, we should point to that instead of the page in the handbook.
\cc @sitschner