Merge branch '4.4' into 5.2

* 4.4:
  Fix SkippedTestSuite
  [Console] Fix type annotation on InputInterface::hasArgument()
  Revert "minor #41949 [Console] fix type annotations on InputInterface (nicolas-grekas)"
  [EventDispatcher] Correct the called event listener method case
  Add missing translations for Japanese.
  Revert "bug #41952 [Console] fix handling positional arguments (nicolas-grekas)"
  [Security] Don't skip UserPasswordValidatorTest
  [DI] CS fix
  [Console] fix handling positional arguments
  [Validator] add translation for Vietnamese
  Add Bulgarian translation for the validator

Author: nicolas-grekas

Container.php

@@ -378,9 +378,7 @@ protected function getEnv(string $name)
             $this->set($id, new ServiceLocator([]));
         }
         if (!$this->getEnv) {
-            $this->getEnv = new \ReflectionMethod($this, __FUNCTION__);
-            $this->getEnv->setAccessible(true);
-            $this->getEnv = $this->getEnv->getClosure($this);
+            $this->getEnv = \Closure::fromCallable([$this, 'getEnv']);
         }
         $processors = $this->get($id);