Implement in app notifications/banners in case the Atlassian Access subscription wasn't successfully renewed

Current Scenario

When the Atlassian Access subscription is facing issues to be renewed, Billing Contacts are emailed to review their payment details, so the subscription isn't lost. However, email notifications are easily lost, or even categorised as spam. Once the subscription is removed, both the SAML and SCIM integration will stop working.

Suggested Improvement

Implement in-app notifications/banners for Org admins so they are aware that there's an issue with the Access subscription, allowing them to review it before the subscription is suspended.