Merge branch '3.4' into 4.4

* 3.4:
  [3.4] Fix support for PHP8 union types
  [PhpUnitBridge] Streamline ansi/no-ansi of composer according to phpunit --colors option
  [3.4] Small update in our internal terminology
  [Cache] fix compat with DBAL v3
  [VarDumper] Fix CliDumper coloration
  [DI] tighten detection of local dirs to prevent false positives
  [FrameworkBundle] preserve dots in query-string when redirecting
  bumped Symfony version to 3.4.43
  updated VERSION for 3.4.42
  update CONTRIBUTORS for 3.4.42
  updated CHANGELOG for 3.4.42

Author: nicolas-grekas

OptionsResolver.php

@@ -1220,7 +1220,7 @@ private function formatOptions(array $options): string
 
     private function getParameterClassName(\ReflectionParameter $parameter): ?string
     {
-        if (!($type = $parameter->getType()) || $type->isBuiltin()) {
+        if (!($type = $parameter->getType()) instanceof \ReflectionNamedType || $type->isBuiltin()) {
             return null;
         }