Merge branch '6.4' into 7.2

* 6.4:
  [Routing] Add test to validate that default value is allowed to not match requirement
  fix handling required options
  Fix @var phpdoc
  [Lock] [MongoDB] Enforce readPreference=primary and writeConcern=majority
  [FrameworkBundle] fix phpdoc in `MicroKernelTrait`
  Fixed validator translations for Albanian

Author: nicolas-grekas

Response/AmpResponseV4.php

@@ -224,7 +224,7 @@ private static function generateResponse(Request $request, AmpClientStateV4 $mul
         });
 
         try {
-            /* @var Response $response */
+            /** @var Response $response */
             if (null === $response = yield from self::getPushedResponse($request, $multi, $info, $headers, $options, $logger)) {
                 $logger?->info(\sprintf('Request: "%s %s"', $info['http_method'], $info['url']));
 

Tests/MockHttpClientTest.php

@@ -512,7 +512,7 @@ public function testUnixSocket()
 
     public function testChangeResponseFactory()
     {
-        /* @var MockHttpClient $client */
+        /** @var MockHttpClient $client */
         $client = $this->getHttpClient(__METHOD__);
         $expectedBody = '{"foo": "bar"}';
         $client->setResponseFactory(new MockResponse($expectedBody));