Merge branch '5.2' into 5.x

* 5.2:
  [HttpFoundation] Drop int return type from parseFilesize()
  Added $translator->addLoader()
  bug symfony/symfony#39878 [doctrine-bridge] Add username to UserNameNotFoundException
  [Uid] Clarify the format returned by getTime()
  fix spelling
  Add check for constant in Curl client
  Revert #38614, add assert to avoid regression
  Fix container injection with TypedReference
  Fix problem when SYMFONY_PHPUNIT_VERSION is empty string value
  Update PHP CS Fixer config to v2.18

Author: derrabus

bin/simple-phpunit.php

@@ -95,12 +95,12 @@
 
 if (\PHP_VERSION_ID >= 80000) {
     // PHP 8 requires PHPUnit 9.3+
-    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '9.4');
+    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '9.4') ?: '9.4';
 } elseif (\PHP_VERSION_ID >= 70200) {
     // PHPUnit 8 requires PHP 7.2+
-    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '8.5');
+    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '8.5') ?: '8.5';
 } else {
-    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '7.5');
+    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '7.5') ?: '7.5';
 }
 
 $MAX_PHPUNIT_VERSION = $getEnvVar('SYMFONY_MAX_PHPUNIT_VERSION', false);