Symfony 4.4.8

What's new in this version:

- [Cache] Allow invalidateTags calls to be traced by data collector
- [PhpUnitBridge] Use COMPOSER_BINARY env var if available
- [YAML] escape DEL(\x7f)
- [PhpUnitBridge] fix compatibility with phpunit 9
- [Cache] skip APCu in chains when the backend is disabled
- [Form] apply automatically step=1 for datetime-local input
- [FrameworkBundle] debug:autowiring: Fix wrong display when using class_alias
- [DependencyInjection][ServiceSubscriber] Support late aliases
- [Profiler] Fix profiler nullable string type
- [Security/Core] fix escape for username in LdapBindAuthenticationProvider.php
- [FrameworkBundle] Fix session.attribute_bag service definition
- [Routing][PrefixTrait] Add the _locale requirement
- [Cache] CacheItem with tag is never a hit after expired
- [HttpFoundation] workaround PHP bug in the session module
- [SecurityBundle] fix accepting env vars in remember-me configurations
- [Form] Fixed handling groups sequence validation
- [Mime] Ensure proper line-ending for SMIME
- [Cache] Avoid memory leak in TraceableAdapter::reset()
- Mailer from sender fixes
- [PhpUnitBridge] add PolyfillTestCaseTrait::expectExceptionMessageMatches to provide FC with recent phpunit versions
- Remove return type for Twig function workflow_metadata()
- [Messenger] Make sure redis transports are initialized correctly
- [Form] RepeatedType should always have inner types mapped
- [DI] fix loading defaults when using the PHP-DSL
- [HttpKernel] silence E_NOTICE triggered since PHP 7.4
- [Validator] Fixed default group for nested composite constraints
- [HttpClient] fix HTTP/2 support on non-SSL connections - CurlHttpClient only
- Force ping after transport exception
- [Validator] do not merge constraints within interfaces
- [HttpClient] Fix scoped client without query option configuration
- [DI] fix detecting short service syntax in yaml
- [DI] add missing property declarations in InlineServiceConfigurator
- Allowing empty secrets to be set
- [Process] Fixed input/output error on PHP 7.4
- [Workflow] Use a strict comparison when retrieving raw marking in MarkingStore
- [Workflow] Use a strict comparison when retrieving raw marking in MarkingStore
- [PropertyInfo][ReflectionExtractor] Check the array mutator prefixes last when the property is singular
- [HttpFoundation] Fixed session migration with custom cookie lifetime
- [HttpKernel][FrameworkBundle] fix compat with Debug component
- [WebProfilerBundle] Support for Content Security Policy style-src-elem and script-src-elem in WebProfiler
- [Validator] Allow URL-encoded special characters in basic auth part of URLs
- [Security] Track session usage whenever a new token is set
- [Serializer] Fix unitialized properties (from PHP 7.4.2) when serializing context for the cache key
- [MonologBridge] Fix $level type
- [MonologBridge] Fix $level type
- [Security][Http][SwitchUserListener] Ignore all non existent username protection errors
- [HttpKernel][LoggerDataCollector] Prevent keys collisions in the sanitized logs processing
- [Validator] Fixed calling getters before resolving groups
- Fix the reporting of deprecations in twig:lint
- [Security] forward multiple attributes voting flag