update cart method name change for API

packages/Webkul/API/Http/Controllers/Shop/CartController.php

@@ -129,7 +129,7 @@ class CartController extends Controller
 
             Event::fire('checkout.cart.item.update.before', $itemId);
 
-            Cart::updateItem(['quantity' => $qty], $itemId);
+            Cart::updateItems(request()->all());
 
             Event::fire('checkout.cart.item.update.after', $item);
         }

packages/Webkul/Shop/src/Http/Controllers/OnepageController.php

@@ -79,7 +79,7 @@ class OnepageController extends Controller
     /**
      * Display a listing of the resource.
      *
-     * @return \Illuminate\View\View 
+     * @return \Illuminate\View\View
     */
     public function index()
     {
@@ -101,7 +101,7 @@ class OnepageController extends Controller
     /**
      * Return order short summary
      *
-     * @return \Illuminate\View\View 
+     * @return \Illuminate\View\View
     */
     public function summary()
     {