Merge branch '6.3' into 6.4

* 6.3:
  [PhpUnitBridge] Kill the last concurrent process when it stales for more than 60s
  [Intl] fix test
  [Intl] Use VarExporter::export() in PhpBundleWriter
  Simplify tests
  [Notifier] Fix Esendex messages serialization
  Use triggering class to generate baseline for deprecation messages from DebugClassLoader
  [Security] Fix false-string handling in RememberMeAuthenticator
  [CssSelector] Tests on Xpath translator will always pass
  [Serializer] Fix Normalizer not utilizing converted name for index variadic param
  [DepdencyInjection] Fix costly logic when checking errored definitions
  Fix merge
  fix children cond
  [DoctrineBridge] Load refreshed user proxy
  [DependencyInjection] Don't ignore attributes on the actual decorator
  [FrameworkBundle] Prevent `cache:clear` to lose files on subsequent runs

Author: nicolas-grekas

Data/Bundle/Writer/PhpBundleWriter.php

@@ -11,6 +11,8 @@
 
 namespace Symfony\Component\Intl\Data\Bundle\Writer;
 
+use Symfony\Component\VarExporter\VarExporter;
+
 /**
  * Writes .php resource bundles.
  *
@@ -39,14 +41,6 @@ public function write(string $path, string $locale, mixed $data): void
             }
         });
 
-        $data = var_export($data, true);
-        $data = preg_replace('/array \(/', '[', $data);
-        $data = preg_replace('/\n {1,10}\[/', '[', $data);
-        $data = preg_replace('/  /', '    ', $data);
-        $data = preg_replace('/\),$/m', '],', $data);
-        $data = preg_replace('/\)$/', ']', $data);
-        $data = sprintf($template, $data);
-
-        file_put_contents($path.'/'.$locale.'.php', $data);
+        file_put_contents($path.'/'.$locale.'.php', sprintf($template, VarExporter::export($data)));
     }
 }