Merge branch '4.4' into 5.0

* 4.4:
  [DI] Fix EnvVar not loaded when Loader requires an env var
  Fixed #34713 Move new messages to intl domain when possible
  [FrameworkBundle] Fix small typo in output comment
  chown and chgrp should also accept int as owner and group
  Revert "Fixed translations file dumper behavior"
  Fix RememberMe with null password
  [Validator] Fix plurals for sr_Latn (Serbian language written in latin script) validation messages
  Set booted flag to false when test kernel is unset
  [FrameworkBundle] remove messenger cache if not enabled
  [PhpUnitBridge][SymfonyTestsListenerTrait] Remove some unneeded code
  [HttpClient] Fix strict parsing of response status codes
  fix PHP const mapping keys using the inline notation
  [SecurityBundle] Drop duplicated code
  [FrameworkBundle] Make sure one can use fragments.hinclude_default_template
  Fix that no-cache requires positive validation with the origin, even for fresh responses
  Improve upgrading instructions for deprecated router options
  [DI] Suggest typed argument when binding fails with untyped argument

Response/ResponseTrait.php

@@ -253,7 +253,7 @@ private static function initialize(self $response): void
     private static function addResponseHeaders(array $responseHeaders, array &$info, array &$headers, string &$debug = ''): void
     {
         foreach ($responseHeaders as $h) {
-            if (11 <= \strlen($h) && '/' === $h[4] && preg_match('#^HTTP/\d+(?:\.\d+)? ([12345]\d\d) .*#', $h, $m)) {
+            if (11 <= \strlen($h) && '/' === $h[4] && preg_match('#^HTTP/\d+(?:\.\d+)? ([12345]\d\d)(?: |$)#', $h, $m)) {
                 if ($headers) {
                     $debug .= "< \r\n";
                     $headers = [];