Merge branch '6.2' into 6.3

* 6.2:
  [Security] Allow custom scheme to be used as redirection URIs
  [Validator] Do not mock metadata factory on debug command tests
  [HttpKernel][WebProfilerBundle] Fix search feature
  update Intl component to take into account B-variant when converting Alpha3 to Alpha2. fixing issue with Darwin.
  [VarDumper] Fix dumping `ArrayObject` with `DumpDataCollector`
  [VarDumper] Add tests to demonstrate a bug when dumping ArrayObject with full stack fmk
  [DebugBundle][FrameworkBundle] Fix using the framework without the Console component
  [FrameworkBundle] Add missing monolog channel tag to the `messenger:failed:retry` command
  fetch all known ChoiceType values at once
  [RateLimiter] fix incorrect retryAfter of FixedWindow
  Fix Finder phpdoc

Author: nicolas-grekas