Merge branch '5.4' into 6.0

* 5.4:
  [DoctrineBridge] Fix auto mapping for bundles that contain only embeddables
  [String] Update wcswidth data with Unicode 15
  [Messenger] Fix default serializer not handling DateTime objects properly

Author: derrabus

Transport/Serialization/Serializer.php

@@ -21,6 +21,7 @@
 use Symfony\Component\Serializer\Encoder\XmlEncoder;
 use Symfony\Component\Serializer\Exception\ExceptionInterface;
 use Symfony\Component\Serializer\Normalizer\ArrayDenormalizer;
+use Symfony\Component\Serializer\Normalizer\DateTimeNormalizer;
 use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
 use Symfony\Component\Serializer\Serializer as SymfonySerializer;
 use Symfony\Component\Serializer\SerializerInterface as SymfonySerializerInterface;
@@ -51,7 +52,7 @@ public static function create(): self
         }
 
         $encoders = [new XmlEncoder(), new JsonEncoder()];
-        $normalizers = [new ArrayDenormalizer(), new ObjectNormalizer()];
+        $normalizers = [new DateTimeNormalizer(), new ArrayDenormalizer(), new ObjectNormalizer()];
         $serializer = new SymfonySerializer($normalizers, $encoders);
 
         return new self($serializer);