Symfony 5.1.6

What's new in this version:

- [OptionsResolver] Fix deprecation message access
- [HttpClient] Allow bearer token with colon
- [Form] Fix custom formats deprecation with HTML5 widgets
- [Contracts][Translation] Optional Intl dependency
- [Translator] Optional Intl dependency
- [ErrorHandler] Escape JSON encoded log context
- [Cache][Lock][Messenger] fix compatibility with Doctrine DBAL 3
- [Yaml Parser] Fix edge cases when parsing multiple documents
- [FrameworkBundle] loadRoutes shoud receive RoutingPhpFileLoader
- [Yaml] fix parsing comments not prefixed by a space
- [Translator] Make sure a null locale is handled properly
- [Cache] Allow cache tags to be objects implementing __toString()
- [HttpKernel] Do not override max_redirects option in HttpClientKernel
- [HttpClient] Support for CURLOPT_LOCALPORT
- [FrameworkBundle] Fix xsd definition which prevent to add more than one workflow metadata
- [String] improve slugger's portability accross implementations of iconv()
- [Console] work around disabled putenv()
- [Notifier] Fix errors parsing in FirebaseTransport
- [HttpClient][HttpClientTrait] don't calculate alternatives if option is auth_ntlm
- [PhpUnitBridge] Internal classes are not legacy
-8160 [Security] In the new authenticator system, no auth listener is valid
- [Cache] fix ProxyAdapter not persisting items with infinite expiration
- [HttpClient] fail properly when the server replies with HTTP/0.9
- [Validator] allow consumers to mock all methods
- [DI] dump OS-indepent paths in the preload file
- [DI] dump OS-indepent paths in the compiled container
- [Mailer] Fixed Mailgun API bridge JsonException when API response is not applicaton/json
- [Cache] Limit cache version character range
- [Messenger] Run postgres setup trigger in transaction
- [FrameworkBundle] adopt src/.preload.php
- [Cache] Fix key encoding issue in Memcached adapter
- [HttpClient] Fix Array to string conversion notice when parsing JSON error body with non-scalar detail property
- DateTime validator support for trailing data
- [Console] Silence warnings on sapi_windows_cp_set() call
- [Console] guard $argv + $token against null, preventing unnecessary exceptions
- [PhpUnitBridge] Skip internal classes in CoverageListenerTrait
- [VarExporter] unserialize() might throw an Exception on php 8
- [ErrorHandler] Parse "x not found" errors correctly on php 8
- Prevent parsing invalid octal digits as octal numbers
- [Mailer] Remove unnecessary check for existing request
- [DI] fix ContainerBuilder on PHP8
- [HttpClient] with "bindto" with NativeHttpClient
- [FrameworkBundle] generate preload.php in src/ to make opcache.preload predictable
- [Console] Make sure $maxAttempts is an int or null
- esmtp error not being thrown properly
- [Yaml Parser] fixed Parser to skip comments when inlining sequences
- [VarDumper] Fix caster for invalid SplFileInfo objects on php 8
- [Messenger] Remove DelaySeconds parameter for FIFO queues
- [PhpUnitBridge] Adjust output parsing of CoverageListenerTrait for PHPUnit 9.3
- [DI] fix generating preload file when cache_dir is outside project_dir
- [Cache] Fix CacheCollectorPass with decorated cache pools
- [PhpUnitBridge] CoverageListenerTrait update for PHPUnit 8.5/9.x
- [Debug] Parse "x not found" errors correctly on php 8
- [PropertyInfo] Fix typed collections in PHP 7.4
- [PHPUnitBridge] Fix deprecation type detection when trigger_deprecation is used
- [PhpunitBridge] Fix deprecation type detection (when several autoload files are used)
- Allow Drupal to wrap the Symfony test listener (5.1 backport)