Merge branch '5.4' into 6.0

* 5.4:
  CS fixes
  Bump Symfony version to 5.4.11
  Update VERSION for 5.4.10
  Update CHANGELOG for 5.4.10
  Bump Symfony version to 4.4.44
  Update VERSION for 4.4.43
  Update CONTRIBUTORS for 4.4.43
  Update CHANGELOG for 4.4.43

Author: nicolas-grekas

Translation/Test/TranslatorTest.php

@@ -356,7 +356,7 @@ protected function validateMatrix(string $nplural, array $matrix, bool $expectSu
         foreach ($matrix as $langCode => $data) {
             $indexes = array_flip($data);
             if ($expectSuccess) {
-                $this->assertEquals($nplural, \count($indexes), "Langcode '$langCode' has '$nplural' plural forms.");
+                $this->assertCount($nplural, $indexes, "Langcode '$langCode' has '$nplural' plural forms.");
             } else {
                 $this->assertNotEquals((int) $nplural, \count($indexes), "Langcode '$langCode' has '$nplural' plural forms.");
             }