Use ApiVersion from @shopify/shopify-app-react-router rather than from @shopify/shopify-api

The template does not have @shopify/shopify-api in it's package.json, so whilst the old way worked because @shopify/shopify-app-react-router depends on @shopify/shopify-api, the approach was not ideal

Author: byrichardpowell

.graphqlrc.ts

@@ -1,5 +1,5 @@
 import fs from "fs";
-import { ApiVersion } from "@shopify/shopify-api";
+import { ApiVersion } from "@shopify/shopify-app-react-router/server";
 import { shopifyApiProject, ApiType } from "@shopify/api-codegen-preset";
 import type { IGraphQLConfig } from "graphql-config";