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

RateLimiter/DefaultLoginRateLimiter.php

@@ -41,7 +41,7 @@ protected function getLimiters(Request $request): array
     {
         return [
             $this->globalFactory->create($request->getClientIp()),
-            $this->localFactory->create($request->attributes->get(Security::LAST_USERNAME).$request->getClientIp()),
+            $this->localFactory->create($request->attributes->get(Security::LAST_USERNAME).'-'.$request->getClientIp()),
         ];
     }
 }