Apply new rector rules regarding to PHP version to 8.4

docs/source/development/user-interface/widgets/ChillMainExtension.php

@@ -32,6 +32,7 @@ class ChillMainExtension extends Extension implements Widget\HasWidgetFactoriesE
         $this->widgetFactories[] = $factory;
     }
 
+    #[\Override]
     public function getConfiguration(array $config, ContainerBuilder $container): ?\Symfony\Component\Config\Definition\ConfigurationInterface
     {
         return new Configuration($this->widgetFactories, $container);