Update pages tutorial deploy command (#21371)

solves root issue of #21066

Author: kodster28

src/content/docs/pages/tutorials/use-r2-as-static-asset-storage-for-pages/index.mdx

@@ -147,7 +147,7 @@ Before deploying the changes made so far to our cat blog, let us add a few new p
 With all the files saved, open a new terminal window to deploy the app:
 
 ```sh
-npm run deploy
+npx wrangler deploy
 ```
 
 Once deployed, media assets are fetched and served from the R2 bucket.