Changelog (v6.4.8...v6.4.9)

• bug [HttpKernel] Enable optional cache-warmers when cache-dir != build-dir #57553 [HttpKernel] Enable optional cache-warmers when cache-dir != build-dir (@nicolas-grekas)
• bug [String] Fixed u()->snake(), b()->snake() and s()->snake() methods #57497 [String] Fixed u()->snake(), b()->snake() and s()->snake() methods (@arczinosek)
• bug [Filesystem] Fix Filesystem::remove() on Windows #57574 [Filesystem] Fix Filesystem::remove() on Windows (@nicolas-grekas)
• bug [DoctrineBridge] Fix compat with DI >= 6.4 #57572 [DoctrineBridge] Fix compat with DI >= 6.4 (@nicolas-grekas)
• bug [String] Add alias case to EnglishInflector #57538 [String] Add alias case to EnglishInflector (@alexandre-daubois)
• bug [FrameworkBundle] Throw runtime exception when trying to use asset-mapper while http-client is disabled #57533 [FrameworkBundle] Throw runtime exception when trying to use asset-mapper while http-client is disabled (@nicolas-grekas)
• bug [SecurityBundle] Remove unused memory users’ name attribute from the XSD #57520 [SecurityBundle] Remove unused memory users’ name attribute from the XSD (@MatTheCat)
• feature Ibexa is sponsoring Symfony 5.4, thanks to them! \o/ #57557 Ibexa is sponsoring Symfony 5.4, thanks to them! \o/ (@nicolas-grekas)
• bug [HttpClient][Mailer] Revert "Let curl handle transfer encoding", use HTTP/1.1 for Mailgun #57569 [HttpClient][Mailer] Revert "Let curl handle transfer encoding", use HTTP/1.1 for Mailgun (@nicolas-grekas)
• bug [Mailer] Add additional headers in Scaleway bridge #57499 [Mailer] Add additional headers in Scaleway bridge (@MrMicky-FR)
• bug [VarExporter] fix contravariance problem with __unserialize() in lazy proxy #57460 [VarExporter] fix contravariance problem with __unserialize() in lazy proxy (@nikophil)
• bug [VarDumper] Fix FFI caster test #57397 [VarDumper] Fix FFI caster test (@alexandre-daubois)
• bug [HttpClient] Fix parsing SSE #57453 [HttpClient] Fix parsing SSE (@fancyweb)
• bug [SecurityBundle] Add provider XML attribute to the authenticators it’s missing from #57467 [SecurityBundle] Add provider XML attribute to the authenticators it’s missing from (@MatTheCat)
• bug [Notifier] Fix thread key in GoogleChat bridge #57384 [Notifier] Fix thread key in GoogleChat bridge (@romain-jacquart)
• bug [HttpKernel][Security] Fix accessing session for stateless request #57372 [HttpKernel][Security] Fix accessing session for stateless request (@VincentLanglet)
• bug [Messenger] Handle AMQPConnectionException when publishing a message #57112 [Messenger] Handle AMQPConnectionException when publishing a message (@jwage)
• bug [Serializer] properly handle invalid data for false/true types #57341 [Serializer] properly handle invalid data for false/true types (@xabbuh)
• bug [Serializer] Fix ObjectNormalizer with property path #57187 [Serializer] Fix ObjectNormalizer with property path (@HypeMC)
• bug [ErrorHandler] Fix rendered exception code highlighting on PHP 8.3 #57355 [ErrorHandler] Fix rendered exception code highlighting on PHP 8.3 (@tscni)
• bug [DependencyInjection] Fix ternary in AutowireCallable attribute #57310 [DependencyInjection] Fix ternary in AutowireCallable attribute (@alamirault)
• bug [FrameworkBundle] Fix setting default context for certain normalizers #57273 [FrameworkBundle] Fix setting default context for certain normalizers (@HypeMC)
• bug [Notifier]  send the recipient phone number as an array #57395 [Notifier]  send the recipient phone number as an array (@xabbuh)
• bug [Serializer] [PropertyAccessor] Ignore non-collection interface generics #52699 [Serializer] [PropertyAccessor] Ignore non-collection interface generics (@mtarld)
• bug [String] Fix #54611 pluralization of -on ending words + singularization of -a ending foreign words #54634 [String] Fix [String][EnglishInflector] Pluralize on words ending with -on mostly wrong #54611 pluralization of -on ending words + singularization of -a ending foreign words (@geordie, @DesLynx)
• bug [Validator] [UniqueValidator] Use correct variable as parameter in (custom) error message #57213 [Validator] [UniqueValidator] Use correct variable as parameter in (custom) error message (@seho-nl, Sebastien Hoek)
• bug [Messenger] Comply with Amazon SQS requirements for message body #54920 [Messenger] Comply with Amazon SQS requirements for message body (@VincentLanglet)
• bug [AssetMapper] fix npm version constraint conversion #57321 [AssetMapper] fix npm version constraint conversion (@Jean-Beru)
• bug [PhpUnitBridge] Fix error handler triggered outside of tests #57110 [PhpUnitBridge] Fix error handler triggered outside of tests (@HypeMC)
• bug [FrameworkBundle] not registered definitions must not be modified #57297 [FrameworkBundle] not registered definitions must not be modified (@xabbuh)
• bug [String] Fix Inflector for 'hardware' #57234 [String] Fix Inflector for 'hardware' (@podhy)
• bug [Mime] Use streams instead of loading raw message generator into memory #57224 [Mime] Use streams instead of loading raw message generator into memory (@bytestream)