Update release date in release-notes.md

Author: v-jamkyle

copilot/release-notes.md

@@ -7,7 +7,7 @@ ms.author: kwekua
 author: kwekuako
 manager: scotv
 ms.update-cycle: 180-days
-ms.date: 03/24/2026
+ms.date: 04/07/2026
 audience: Admin
 ms.reviewer: briandesouza
 ms.topic: release-notes