Merge branch '7.4' into 8.0

* 7.4: (40 commits)
  [PropertyInfo] treat mixed[] the same as array when getting types from docblocks
  treat `mixed[]` the same as `array` when getting types from docblocks
  install ext-zstd on PHP 8.5 as well
  fix merge
  [Console] Fix profile invokable command
  sync ControllerHelper docblock with latest AbstractController changes
  fix: Typehint for `createForm` in abstractController
  [Notifier][Mercure] Add support for Mercure 0.7
  register attribute loader arguments in a forward-compatible way
  ensure compatibility with RelayCluster 0.20.0
  mark test using a Redis connection as an integration test
  ensure compatibility with Relay extension 0.20.0
  [FrameworkBundle] Allow backed enum to be used in initial_marking workflow configuration
  [DependencyInjection] Fix `query_string` env processor for URLs without query string
  [HttpFoundation] Fix Expires response header for EventStream
  Bump Symfony version to 7.4.1
  Update VERSION for 7.4.0
  Update CHANGELOG for 7.4.0
  -
  [DependencyInjection] Fix state corruption in PhpFileLoader during recursive imports
  ...

Author: xabbuh

HttpClientTrait.php

@@ -354,6 +354,7 @@ private static function normalizeBody($body, array &$normalizedHeaders = [])
                     }
                 }
             });
+            $caster = null;
 
             if ('' === $body = http_build_query($body, '', '&')) {
                 return '';