build(ci4): update CodeIgniter to v4.2.12

app/Controllers/BaseController.php

@@ -28,6 +28,21 @@ abstract class BaseController extends Controller
      */
     protected $request;
 
+    /**
+     * An array of helpers to be loaded automatically upon
+     * class instantiation. These helpers will be available
+     * to all other controllers that extend BaseController.
+     *
+     * @var string[]
+     */
+    protected $helpers = [];
+
+    /**
+     * Be sure to declare properties for any property fetch you initialized.
+     * The creation of dynamic property is deprecated in PHP 8.2.
+     */
+    // protected $session;
+
     /**
      * Constructor.
      */