Fixed an issue where the bin/config_split_merge executable couldn't find the composer autoload.php file.

Author: AccessPhil

bin/config_split_merge

@@ -1,7 +1,7 @@
 #!/usr/bin/env php
 <?php
 
-require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__ . '/../../../../vendor/autoload.php';
 
 use Symfony\Component\Console\Application;
 use ConfigSplitMerge\Command\ConfigSplitMerge;