v6.4.0-BETA1

Changelog (v6.3.6...v6.4.0-BETA1)

• feature symfony/symfony#51470 [FrameworkBundle][Serializer] Deprecate annotations (@alexandre-daubois)
• feature symfony/symfony#50391 [FrameworkBundle][HttpKernel] Introduce $buildDir argument to WarmableInterface::warmup to warm read-only artefacts in build_dir (@Okhoshi)
• feature symfony/symfony#49893 [Serializer] Add XmlEncoder::CDATA_WRAPPING context option (@AndoniLarz)
• feature symfony/symfony#51779 [Serializer] Make ProblemNormalizer give details about Messenger’s ValidationFailedException (@MatTheCat)
• feature symfony/symfony#51476 [Serializer] Allow Context to target classes (@mtarld)
• feature symfony/symfony#50212 [FrameworkBundle][Serializer] Add TranslatableNormalizer (@Jean-Beru)
• feature symfony/symfony#51172 [Serializer] Add support for seld/jsonlint (@ostrolucky)
• feature symfony/symfony#49594 [Serializer] Groups annotation/attribute on class (@Brajk19)
• feature symfony/symfony#50983 [Serializer] Deprecate annotations in favor of attributes (@derrabus)