ENGCOM-3259: [Forwardport] 17516: added Australian states #18774. Fix static tests.

Author: nmalevanec

app/code/Magento/Directory/Setup/Patch/Data/AddDataForAustralia.php

@@ -4,6 +4,8 @@
  * See COPYING.txt for license details.
  */
 
+declare(strict_types=1);
+
 namespace Magento\Directory\Setup\Patch\Data;
 
 use Magento\Directory\Setup\DataInstaller;