Merge branch '6.4' into 7.1

* 6.4: (23 commits)
  fix tests using Twig 3.12
  skip tests requiring the intl extension if it's not installed
  🐛 throw ParseException on invalid date
  fix permitted data type of the default choice
  [ExpressionLanguage] Improve test coverage
  Fix invalid phpdoc in ContainerBuilder
  [HttpKernel] [WebProfileBundle] Fix Routing panel for URLs with a colon
  [Form] NumberType: Fix parsing of numbers in exponential notation with negative exponent
  [Security] consistent singular/plural translation in Dutch
  reset the validation context after validating nested constraints
  do not duplicate directory separators
  fix handling empty data in ValueToDuplicatesTransformer
  fix compatibility with redis extension 6.0.3+
  synchronize unsupported scheme tests
  [String] Fixed Quorum plural, that was inflected to be only "Quora" and never "Quorums"
  Fix symfony/kaz-info-teh-notifier package
  [Validator] review latvian translations
  [Validator] Add Dutch translation for `WordCount` constraint
  allow more unicode characters in URL paths
  [String][EnglishInflector] Fix words ending in 'le', e.g., articles
  ...

Author: derrabus

ContainerBuilder.php

@@ -117,7 +117,7 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
     private array $vendors;
 
     /**
-     * @var string[] the list of paths in vendor directories
+     * @var array<string, bool> the cache for paths being in vendor directories
      */
     private array $pathsInVendor = [];