Update composer dependencies

vendor/symfony/http-kernel/DataCollector/RouterDataCollector.php

@@ -17,8 +17,6 @@ use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
 
 /**
- * RouterDataCollector.
- *
  * @author Fabien Potencier <fabien@symfony.com>
  */
 class RouterDataCollector extends DataCollector
@@ -54,11 +52,11 @@ class RouterDataCollector extends DataCollector
     {
         $this->controllers = new \SplObjectStorage();
 
-        $this->data = array(
+        $this->data = [
             'redirect' => false,
             'url' => null,
             'route' => null,
-        );
+        ];
     }
 
     protected function guessRoute(Request $request, $controller)
@@ -68,6 +66,8 @@ class RouterDataCollector extends DataCollector
 
     /**
      * Remembers the controller associated to each request.
+     *
+     * @final since Symfony 4.3
      */
     public function onKernelController(FilterControllerEvent $event)
     {