Merge branch '6.4' into 7.0

* 6.4:
  Skip Twig v3.9-dev for now
  [Validator] Update Dutch (nl) translation
  Update Albanian translations
  [Validator] Update translation
  [FrameworkBundle] Prevent silenced warning by checking if /proc/mount exists
  [VarDumper][PhpUnitBridge] Fix color detection
  prevent throwing NOT_FOUND error when tube is empty
  [Validator] Update missing validator translation for Swedish
  [FrameworkBundle] Fix eager-loading of env vars in ConfigBuilderCacheWarmer
  [Messenger] Fix failing Redis test
  [Validator] Update Italian (it) translations
  [Validator] Missing translations for Hungarian (hu) #53769
  revert to native PHP union types
  [Validator] Missing translations for Russian (ru) #53775
  fix syntax errors on PHP 7

Author: nicolas-grekas

CacheWarmer/ConfigBuilderCacheWarmer.php

@@ -15,9 +15,12 @@
 use Symfony\Component\Config\Builder\ConfigBuilderGenerator;
 use Symfony\Component\Config\Builder\ConfigBuilderGeneratorInterface;
 use Symfony\Component\Config\Definition\ConfigurationInterface;
+use Symfony\Component\DependencyInjection\Container;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Extension\ConfigurationExtensionInterface;
 use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;
+use Symfony\Component\DependencyInjection\ParameterBag\ContainerBag;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
 use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
 use Symfony\Component\HttpKernel\KernelInterface;
 
@@ -68,7 +71,8 @@ private function dumpExtension(ExtensionInterface $extension, ConfigBuilderGener
         if ($extension instanceof ConfigurationInterface) {
             $configuration = $extension;
         } elseif ($extension instanceof ConfigurationExtensionInterface) {
-            $configuration = $extension->getConfiguration([], new ContainerBuilder($this->kernel->getContainer()->getParameterBag()));
+            $container = $this->kernel->getContainer();
+            $configuration = $extension->getConfiguration([], new ContainerBuilder($container instanceof Container ? new ContainerBag($container) : new ParameterBag()));
         }
 
         if (!$configuration) {

Command/CacheClearCommand.php

@@ -200,7 +200,7 @@ private function isNfs(string $dir): bool
 
         if (null === $mounts) {
             $mounts = [];
-            if ('/' === \DIRECTORY_SEPARATOR && $files = @file('/proc/mounts')) {
+            if ('/' === \DIRECTORY_SEPARATOR && is_readable('/proc/mounts') && $files = @file('/proc/mounts')) {
                 foreach ($files as $mount) {
                     $mount = \array_slice(explode(' ', $mount), 1, -3);
                     if (!\in_array(array_pop($mount), ['vboxsf', 'nfs'])) {

composer.json

@@ -71,7 +71,7 @@
         "symfony/uid": "^6.4|^7.0",
         "symfony/web-link": "^6.4|^7.0",
         "phpdocumentor/reflection-docblock": "^3.0|^4.0|^5.0",
-        "twig/twig": "^3.0.4"
+        "twig/twig": "~3.8.0"
     },
     "conflict": {
         "doctrine/persistence": "<1.3",