Fix CS with PHP-CS-Fixer

Author: mpdude

src/Resources/config/guide.php

@@ -2,7 +2,7 @@
 
 namespace Symfony\Component\DependencyInjection\Loader\Configurator;
 
-return static function(ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container) {
     $services = $container->services();
     $parameters = $container->parameters();
 

src/Resources/config/shortcodes.php

@@ -2,7 +2,7 @@
 
 namespace Symfony\Component\DependencyInjection\Loader\Configurator;
 
-return static function(ContainerConfigurator $container) {
+return static function (ContainerConfigurator $container) {
     $services = $container->services();
     $parameters = $container->parameters();