chore(aci milestone 3): migrate remaining anomaly detection alerts (#93574)

Migrate the alerts that didn't get correctly migrated the first run (due
to errors with discord actions or the migration stalling).

Author: mifu67

migrations_lockfile.txt

@@ -33,4 +33,4 @@ tempest: 0001_squashed_0002_make_message_type_nullable
 
 uptime: 0001_squashed_0042_extra_uptime_indexes
 
-workflow_engine: 0069_rename_error_detectors
+workflow_engine: 0070_migrate_remaining_anomaly_detection_alerts