audit: Add field to know who triggered the operation (#12129)

This is for now needed to know if an external S3 request deleted a file
or it was the scanner.

Signed-off-by: Anis Elleuch <anis@min.io>

cmd/bucket-lifecycle.go

@@ -342,6 +342,10 @@ func deleteTransitionedObject(ctx context.Context, objectAPI ObjectLayer, bucket
 	if err != nil {
 		return err
 	}
+
+	// Send audit for the lifecycle delete operation
+	auditLogLifecycle(ctx, bucket, object)
+
 	eventName := event.ObjectRemovedDelete
 	if lcOpts.DeleteMarker {
 		eventName = event.ObjectRemovedDeleteMarkerCreated