Update colorlib-404-customizer.php

Author: TeoAlex

colorlib-404-customizer.php

@@ -6,7 +6,7 @@
  * Version: 1.0.97
  * Author: Colorlib
  * Author URI: https://colorlib.com/
- * Tested up to: 5.5
+ * Tested up to: 6.7
  * Requires: 4.6 or higher
  * License: GPLv3 or later
  * License URI: http://www.gnu.org/licenses/gpl-3.0.html