3.38 / 3.10 (#2742)

This PR makes samples pass CI when 3.10 is released.

## Pre-launch Checklist

- [x] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [x] I signed the [CLA].
- [x] I read the [Contributors Guide].
- [x] I have added sample code updates to the [changelog].
- [x] I updated/added relevant documentation (doc comments with `///`).

provider_shopper/lib/models/cart.dart

@@ -24,8 +24,7 @@ class CartModel extends ChangeNotifier {
   }
 
   /// List of items in the cart.
-  List<Item> get items =>
-      _itemIds.map((id) => _catalog.getById(id)).toList();
+  List<Item> get items => _itemIds.map((id) => _catalog.getById(id)).toList();
 
   /// The current total price of all items.
   int get totalPrice =>