Update src/Command/Tree.php

Co-authored-by: Timon de Groot <timon.degroot@team.blue>

Author: poespas

src/Command/Tree.php

@@ -1,5 +1,8 @@
 <?php
 
+declare(strict_types=1);
+
+
 namespace Hypernode\Deploy\Command;
 
 use Deployer\Deployer;