Merge branch '5.2' into 5.x

* 5.2:
  [Console] minor fix
  [Command] fix emojis messing up the line width
  [Validator] Avoid triggering the autoloader for user-input values
  Hardening Security - Unserialize DumpDataCollector
  Security hardening - Rate limiter
  [FrameworkBundle] ensure TestBrowserToken::$firewallName is serialized
  Fixed parsing deprecated definitions without message key
  improve login throttling rate limiter requirement message
  [HttpClient] remove using $http_response_header
  [Security] Handle properly 'auto' option for remember me cookie security

Author: chalasr

Test/TestBrowserToken.php

@@ -43,4 +43,16 @@ public function getCredentials()
     {
         return null;
     }
+
+    public function __serialize(): array
+    {
+        return [$this->firewallName, parent::__serialize()];
+    }
+
+    public function __unserialize(array $data): void
+    {
+        [$this->firewallName, $parentData] = $data;
+
+        parent::__unserialize($parentData);
+    }
 }

Tests/Test/TestBrowserTokenTest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Symfony\Bundle\FrameworkBundle\Tests\Test;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Bundle\FrameworkBundle\Test\TestBrowserToken;
+
+final class TestBrowserTokenTest extends TestCase
+{
+    public function testCanBeSerializedAndUnserialized()
+    {
+        $token = unserialize(serialize(new TestBrowserToken()));
+
+        $this->assertSame('main', $token->getFirewallName());
+    }
+}