styleci fixes

Author: cweagans

lib/Github/Api/Repo.php

@@ -283,9 +283,9 @@ public function readme($username, $repository, $format = 'raw', $dir = null, $pa
      *
      * @link https://developer.github.com/v3/repos/#create-a-repository-dispatch-event
      *
-     * @param string $username            the user who owns the repository
-     * @param string $repository          the name of the repository
-     * @param string $eventType           A custom webhook event name
+     * @param string       $username      the user who owns the repository
+     * @param string       $repository    the name of the repository
+     * @param string       $eventType     A custom webhook event name
      * @param array|object $clientPayload The payload to pass to Github.
      *
      * @return mixed null on success, array on error with 'message'