Merge branch '4.4' into 5.0

* 4.4:
  [HttpClient] fix "undefined variable"
  [HttpClient] remove useless code in test
  [HttpClient] fix getting response content after its destructor throwed an HttpExceptionInterface
  [HttpClient] fix HttpClientDataCollector when handling canceled responses
  [Security] Fix exception name in doc comments

Provider/GuardAuthenticationProvider.php

@@ -86,7 +86,7 @@ public function authenticate(TokenInterface $token)
                 return $token;
             }
 
-            // this AccountStatusException causes the user to be logged out
+            // this AccountExpiredException causes the user to be logged out
             throw new AuthenticationExpiredException();
         }