Drata change history: Multiple Policy ack. emails are being sent for archived policies.

Drata reported a major incident affecting some customers: multiple policy acknowledgement emails were sent for archived policies, and all emails, including login-related emails, were delayed. It started at 2025-09-18 14:10 UTC and resolved at 2025-09-18 18:00 UTC; the computed duration was 3 h 49 min. A deployed fix resolved the multiple-email issue and login-email delays.