Merge branch '5.4' into 6.4

* 5.4:
  not registered definitions must not be modified
  [String] Fix Inflector for 'hardware'
  Bump Symfony version to 5.4.41
  Update VERSION for 5.4.40
  Update CONTRIBUTORS for 5.4.40
  Update CHANGELOG for 5.4.40

Author: fabpot

DependencyInjection/FrameworkExtension.php

@@ -1996,6 +1996,10 @@ private function registerSerializerConfiguration(array $config, ContainerBuilder
             $container->setParameter('serializer.default_context', $defaultContext);
         }
 
+        if (!$container->hasDefinition('serializer.normalizer.object')) {
+            return;
+        }
+
         $arguments = $container->getDefinition('serializer.normalizer.object')->getArguments();
         $context = [];