fix: add changes after backport

Signed-off-by: Vitor Mattos <[email protected]>

Author: vitormattos

lib/ResponseDefinitions.php

@@ -28,6 +28,7 @@
  *         email?: string,
  *         account?: string,
  *     },
+ *     signingOrder?: non-negative-int,
  * }
  * @psalm-type LibresignNewFile = array{
  *     base64?: string,
@@ -172,6 +173,7 @@
  *     hash_algorithm?: string,
  *     me: bool,
  *     signRequestId: non-negative-int,
+ *     signingOrder?: non-negative-int,
  *     identifyMethods?: LibresignIdentifyMethod[],
  *     visibleElements?: LibresignVisibleElement[],
  *     signatureMethods?: LibresignSignatureMethods,