chore: fix phpunit.xml.dist for appstarter

Author: kenjis

admin/starter/phpunit.xml.dist

@@ -2,7 +2,7 @@
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
-    bootstrap="system/Test/bootstrap.php"
+    bootstrap="vendor/codeigniter4/framework/system/Test/bootstrap.php"
     backupGlobals="false"
     beStrictAboutOutputDuringTests="true"
     colors="true"