* 5.1:
fix merge
fix merge
Remove branch-version (keep them for contracts only)
[HttpClient] relax auth bearer format requirements
[PHPUnitBridge] Silence errors from mkdir()
[DependencyInjection] Preload classes with union types correctly.
[Serializer] fix decoding float XML attributes starting with 0
add missing dutch translations
[TwigBridge] Remove "transchoice" from the code base
Support PHPUnit 8 and PHPUnit 9 in constraint compatibility trait
Add expectDeprecation, expectNotice, expectWarning, and expectError to TestCase polyfill
[String] fix before/after[Last]() returning the empty string instead of the original one on non-match
Add missing exporter function for PHPUnit 7
[Validator] Add missing romanian translations
[String] fix slicing in UnicodeString
[Cache] Use correct expiry in ChainAdapter
do not translate null placeholders or titles
* 5.1:
[Contracts] add branch-aliases for dev-main
[Cache] Make Redis initializers static
[Messenger] Fixed typos in Connection
[CI] Fixed build on AppVeyor
Fix tests typo
[Lock] Reset Key lifetime time before we acquire it
[CI] Silence errors when remove file/dir on test tearDown()
Fix tests
Remove content-type check on toArray methods
