Upgrade checkout behavior in line with core NextJS Commerce changes

framework/spree/customer/card/use-add-item.tsx

@@ -0,0 +1,16 @@
+import useAddItem from '@commerce/customer/address/use-add-item'
+import type { UseAddItem } from '@commerce/customer/address/use-add-item'
+import type { MutationHook } from '@commerce/utils/types'
+
+export default useAddItem as UseAddItem<typeof handler>
+
+export const handler: MutationHook<any> = {
+  fetchOptions: {
+    query: '',
+  },
+  async fetcher({ input, options, fetch }) {},
+  useHook:
+    ({ fetch }) =>
+    () =>
+    async () => ({}),
+}