Add strict-modes

Author: jissereitsma

setup/src/Magento/Setup/Console/Command/ModuleStatusCommand.php

@@ -4,6 +4,8 @@
  * See COPYING.txt for license details.
  */
 
+declare(strict_types=1);
+
 namespace Magento\Setup\Console\Command;
 
 use Magento\Framework\Module\FullModuleList;