Merge branch '5.1'

* 5.1:
  reduce column length for MySQL 5.6 compatibility
  Minor improvement
  Removed redundant strtolower in ConsumeMessagesCommand
  getContainer cannot return null anymore
  HttpClient profiler error
  Fix RedisStore constructor signature
  Bump Symfony version to 5.1.4
  Update VERSION for 5.1.3
  Update CHANGELOG for 5.1.3
  Bump Symfony version to 4.4.12
  Update VERSION for 4.4.11
  Update CHANGELOG for 4.4.11
  Bump Symfony version to 3.4.44
  updated VERSION for 3.4.43
  update CONTRIBUTORS for 3.4.43
  updated CHANGELOG for 3.4.43
  Fix author for class CachePoolClearerCacheWarmer

Author: nicolas-grekas

CacheWarmer/CachePoolClearerCacheWarmer.php

@@ -19,7 +19,7 @@
  *
  * Do not use in production!
  *
- * @author Kévin Dunglas <dunglas@gmail.com>
+ * @author Teoh Han Hui <teohhanhui@gmail.com>
  *
  * @internal
  */

KernelBrowser.php

@@ -45,7 +45,7 @@ public function __construct(KernelInterface $kernel, array $server = [], History
     /**
      * Returns the container.
      *
-     * @return ContainerInterface|null Returns null when the Kernel has been shutdown or not started yet
+     * @return ContainerInterface
      */
     public function getContainer()
     {