Merge branch '4.4' into 5.4

* 4.4:
  cs fix
  [Messenger] Fix Doctrine transport on MySQL
  [Translator] Fix translator overlapse
  [Yaml] Improve test coverage in DumperTest and ParserTest
  [Mailer] Fix error message in case of an STMP error
  [HttpClient] Fix shared connections not being freed on PHP < 8
  [HttpFoundation] Fix invalid ID not regenerated with native PHP file sessions
  [HttpClient] Fix memory leak when using StreamWrapper
  Bump Symfony version to 4.4.45
  Update VERSION for 4.4.44
  Update CONTRIBUTORS for 4.4.44
  Update CHANGELOG for 4.4.44

Author: nicolas-grekas

Internal/CurlClientState.php

@@ -99,7 +99,7 @@ public function reset()
         curl_share_setopt($this->share, \CURLSHOPT_SHARE, \CURL_LOCK_DATA_DNS);
         curl_share_setopt($this->share, \CURLSHOPT_SHARE, \CURL_LOCK_DATA_SSL_SESSION);
 
-        if (\defined('CURL_LOCK_DATA_CONNECT')) {
+        if (\defined('CURL_LOCK_DATA_CONNECT') && \PHP_VERSION_ID >= 80000) {
             curl_share_setopt($this->share, \CURLSHOPT_SHARE, \CURL_LOCK_DATA_CONNECT);
         }
     }

Response/StreamWrapper.php

@@ -61,20 +61,18 @@ public static function createResource(ResponseInterface $response, HttpClientInt
             throw new \InvalidArgumentException(sprintf('Providing a client to "%s()" is required when the response doesn\'t have any "stream()" method.', __CLASS__));
         }
 
-        if (false === stream_wrapper_register('symfony', __CLASS__)) {
+        static $registered = false;
+
+        if (!$registered = $registered || stream_wrapper_register(strtr(__CLASS__, '\\', '-'), __CLASS__)) {
             throw new \RuntimeException(error_get_last()['message'] ?? 'Registering the "symfony" stream wrapper failed.');
         }
 
-        try {
-            $context = [
-                'client' => $client ?? $response,
-                'response' => $response,
-            ];
-
-            return fopen('symfony://'.$response->getInfo('url'), 'r', false, stream_context_create(['symfony' => $context])) ?: null;
-        } finally {
-            stream_wrapper_unregister('symfony');
-        }
+        $context = [
+            'client' => $client ?? $response,
+            'response' => $response,
+        ];
+
+        return fopen(strtr(__CLASS__, '\\', '-').'://'.$response->getInfo('url'), 'r', false, stream_context_create(['symfony' => $context]));
     }
 
     public function getResponse(): ResponseInterface