Run and fix phpcs coding standard

Closes #3419481

src/Form/ConfigForm.php

@@ -2,12 +2,12 @@
 
 namespace Drupal\menu_link_attributes\Form;
 
-use Drupal\Core\Form\ConfigFormBase;
-use Drupal\Core\Form\FormStateInterface;
 use Drupal\Component\Serialization\Exception\InvalidDataTypeException;
 use Drupal\Component\Serialization\Yaml;
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**