docs : Update page.mdx referring (#9820)

Fix  The correct import is from "@medusajs/framework". referring to the issue #9810

www/apps/resources/app/recipes/digital-products/examples/standard/page.mdx

@@ -690,7 +690,7 @@ Finally, create the file `src/api/middlewares.ts` with the following content:
 import { defineMiddlewares } from "@medusajs/medusa"
 import { 
   validateAndTransformBody,
-} from "@medusajs/framework/utils"
+} from "@medusajs/framework"
 import { createDigitalProductsSchema } from "./validation-schemas"
 
 export default defineMiddlewares({