fix: update routing configuration to use PHP files for WebProfilerBundle

Author: ip512

tests/Resources/app/AppKernel.php

@@ -66,8 +66,9 @@ public function loadRoutes(LoaderInterface $loader): RouteCollection
         $collection->add('/', new Route('/', ['_controller' => 'kernel::indexAction']));
 
         $routes = new RoutingConfigurator($collection, $kernelLoader, $file, $file);
-        $routes->import('@WebProfilerBundle/Resources/config/routing/wdt.xml')->prefix('_wdt');
-        $routes->import('@WebProfilerBundle/Resources/config/routing/profiler.xml')->prefix('_profiler');
+        $extension = self::MAJOR_VERSION >= 7 ? 'php' : 'xml';
+        $routes->import('@WebProfilerBundle/Resources/config/routing/wdt.'.$extension)->prefix('_wdt');
+        $routes->import('@WebProfilerBundle/Resources/config/routing/profiler.'.$extension)->prefix('_profiler');
 
         return $collection;
     }