Merge pull request #528 from web-auth/deprecations/xsd-validation

Enable XSD validation for Doctrine ORM 3.0 compat

src/stimulus/src/DependencyInjection/WebauthnStimulusExtension.php

@@ -19,7 +19,7 @@ public function load(array $configs, ContainerBuilder $container)
         // Nothing to do here. The bundle is only used to provide assets.
     }
 
-    public function prepend(ContainerBuilder $container)
+    public function prepend(ContainerBuilder $container): void
     {
         if (! $this->isAssetMapperAvailable($container)) {
             return;