Merge branch '3.4' into 4.4

* 3.4:
  Add Tagalog translations for validator messages 94, 95, 96 and 99
  PHPUnit's assertContains() performs strict comparisons now.
  [ClassLoader][Routing] Fix namespace parsing on php 8.
  Fix deprecated libxml_disable_entity_loader
  Made reference to PHPUnit\Util\XML::loadfile php5-compatible.
  [Validator] Add missing translations for german and vietnamese
  Modernized deprecated PHPUnit assertion calls
  [Console] The message of "class not found" errors has changed in php 8.
  The PHPUnit\Util\XML class has been removed in PHPUnit 9.3.
  [Console] Make sure we pass a numeric array of arguments to call_user_func_array().
  [Serializer] Fix that it will never reach DOMNode
  [Validator] sync translations
  [VarDumper] Improve previous fix on light array coloration
  [Cache] Fix #37667

Author: fabpot

Tests/Resources/TranslationFilesTest.php

@@ -12,6 +12,7 @@
 namespace Symfony\Component\Security\Core\Tests\Resources;
 
 use PHPUnit\Framework\TestCase;
+use PHPUnit\Util\Xml\Loader;
 
 class TranslationFilesTest extends TestCase
 {
@@ -20,7 +21,11 @@ class TranslationFilesTest extends TestCase
      */
     public function testTranslationFileIsValid($filePath)
     {
-        \PHPUnit\Util\XML::loadfile($filePath, false, false, true);
+        $loader = class_exists(Loader::class)
+            ? [new Loader(), 'loadFile']
+            : ['PHPUnit\Util\XML', 'loadfile'];
+
+        $loader($filePath, false, false, true);
 
         $this->addToAssertionCount(1);
     }