ConnectionsHelper: default port fix (string -> int)

Author: paveljanda

src/DI/Helpers/ConnectionsHelper.php

@@ -23,7 +23,7 @@ final class ConnectionsHelper extends AbstractHelper
 	 */
 	protected $defaults = [
 		'host' => '127.0.0.1',
-		'port' => '5672',
+		'port' => 5672,
 		'user' => 'guest',
 		'password' => 'guest',
 		'vhost' => '/'