Merge pull request #7 from php-etl/fix/reject

Fixed the reject method : the arguments used were in the wrong order

Author: gplanchat

src/Rejection.php

@@ -81,8 +81,8 @@ public function reject(object|array $rejection, ?\Throwable $exception = null):
             [
                 'content-type' => 'application/json',
             ],
-            $this->topic,
             $this->exchange,
+            $this->topic,
         );
     }