Symfony 6.4.8

What's new in this version:

- [Mime] Fix TextPart using an unknown File
- [Scheduler] Throw an exception when no dispatcher has been passed to a Schedule
- Fix autoload configs to avoid warnings when building optimized autoloaders
- [Mailer] Fix sendmail transport failure handling and interactive mode
- [Mime] fix PHP 7 compatibility
- [Mime] Fixed Mime\Message::ensureValidity() when a required header is set, but has an empty body
- [Notifier] keep boolean options when their value is false
- [Serializer] Cache readability/writability computation
- [VarExporter] Fix exporting default values involving global constants
- [Serializer] Improve exception message in UnwrappingDenormalizer
- [PropertyInfo] Update DoctrineExtractor for new DBAL 4 BIGINT type
- [Serializer] Fix CurrentType for missing property
- [PhpUnitBridge] Fix DeprecationErrorHandler with PhpUnit 10
- [Filesystem] Fix dumpFile stat failed error hitting custom handler
- [Validator] IBAN Check digits should always between 2 and 98
- [ErrorHandler] Do not call xdebug_get_function_stack() with xdebug >= 3.0 when not in develop mode
- [HttpFoundation]  filter out empty HTTP header parts
- [String] Fix folded in compat mode
- [Process] Return false when open_basedir prevents access to /dev/tty
- [HttpClient] Revert fixing curl default options
- [VarExporter] fix ProxyHelper::generateLazyProxy() when a method returns null
- [Messenger] Don't drop stamps when message validation fails
- [WebProfilerBundle] Fix assignment to constant variable
- [Mailer] [Sendgrid] Use DataPart::getContentId() when DataPart::setContentId() is used
- Fix exception thrown during LDAP_MODIFY_BATCH_REMOVE_ALL batch operations
- [Validator] Check Locale class existence before using it
- [HttpClient] Fix cURL default options for PHP 8.4
- [Serializer] Fix GetSetMethodNormalizer not working with setters with optional args
- [Cache] Fix support for predis/predis:^2.0
- [Serializer] separate the property info and write info extractors
- [WebProfilerBundle] fix compatibility with Twig 3.10
- [Strings][EnglishInflector] Fix incorrect pluralisation of 'Album'
- [Serializer] convert empty CSV header names into numeric keys
- [Messenger] accept AbstractAsset instances when filtering schemas
- [Validator] handle edge cases when constructing constraints with named arguments
- [Filesystem] better distinguish URL schemes and Windows drive letters
- [FrameworkBundle] move wiring of the property info extractor to the ObjectNormalizer
- [Validator] handle union and intersection types for cascaded validations
- [Cache] fix: remove unwanted cast to int (Arend Hummeling)
- [Dotenv] show overridden vars too when running debug:dotenv