Fix quotes in exception messages

Author: fabpot

Transport/Connection.php

@@ -249,7 +249,7 @@ private static function normalizeQueueArguments(array $arguments): array
             }
 
             if (!is_numeric($arguments[$key])) {
-                throw new InvalidArgumentException(sprintf('Integer expected for queue argument "%s", %s given.', $key, \gettype($arguments[$key])));
+                throw new InvalidArgumentException(sprintf('Integer expected for queue argument "%s", "%s" given.', $key, \gettype($arguments[$key])));
             }
 
             $arguments[$key] = (int) $arguments[$key];