* 3.1:
[Routing] Add missing options in docblock
[VarDumper] Fix dumping continuations
[PropertyInfo] Fix an error in PropertyInfoCacheExtractor
[HttpFoundation] fixed Request::getContent() reusage bug
[Form] Skip CSRF validation on form when POST max size is exceeded
Use try-finally where it possible
[DependencyInjection] ContainerBuilder: Remove obsolete definitions
Enhance the phpDoc return types so IDEs can handle the configuration tree.
fixes
Remove 3.0 from branch suggestions for fixes in PR template
[Process] Strengthen Windows pipe files opening (again...)
[Cache] Handle unserialize() failures gracefully
Fix#19531 [Form] DateType fails parsing when midnight is not a valid time
