docs: fixed typo in carts resource (#2798)

Co-authored-by: j.untch <j.untch@outlook.de>

packages/medusa-js/src/resources/carts.ts

@@ -35,7 +35,7 @@ class CartsResource extends BaseResource {
    * Payment authorization is attempted and if more work is required, we simply return the cart for further updates.
    * If payment is authorized and order is not yet created, we make sure to do so.
    * The completion of a cart can be performed idempotently with a provided header Idempotency-Key.
-   * If not provuided, we will generate one for the request.
+   * If not provided, we will generate one for the request.
    * @param {string} cart_id is required
    * @param customHeaders
    * @return {ResponsePromise<StoreCompleteCartRes>}