Update src/Config/ConfigFile.php

Co-authored-by: Ben Thomson <git@alfreido.com>

Author: jaxwilko

src/Config/ConfigFile.php

@@ -112,7 +112,7 @@ public function set($key, string $value = null): ConfigFile
 
     /**
      * @param string $type
-     * @param $value
+     * @param mixed $value
      * @return ConstFetch|LNumber|String_
      */
     protected function makeAstNode(string $type, $value)