[PM-20064] Add cascade deletion for cipher with tasks (#5690)

* add cascade deletion for cipher tasks

* add migrations for cascade delete on ciphers and security tasks

* remove trailing comma

* add SQL migration for PasswordHealthReportApplication

- Allow cascade delete when an organization is deleted

util/Migrator/DbScripts/2025-03-21_00_NotificationCascadeDelete.sql

@@ -0,0 +1,11 @@
+BEGIN
+    IF EXISTS (SELECT 1 FROM sys.foreign_keys WHERE name = 'FK_Notification_SecurityTask')
+    BEGIN
+        ALTER TABLE [dbo].[Notification]
+          DROP CONSTRAINT [FK_Notification_SecurityTask]
+    END
+
+    ALTER TABLE [dbo].[Notification]
+        ADD CONSTRAINT [FK_Notification_SecurityTask] FOREIGN KEY ([TaskId]) REFERENCES [dbo].[SecurityTask] ([Id]) ON DELETE CASCADE
+END
+GO