Update apps/site/pages/en/learn/getting-started/fetch.md

Co-authored-by: Aviv Keller <me@aviv.sh>
Signed-off-by: NunoMCP <NunoMCP@users.noreply.github.com>

Author: NunoMCP

apps/site/pages/en/learn/getting-started/fetch.md

@@ -133,7 +133,8 @@ try {
 [Streams](https://nodejs.org/docs/v22.14.0/api/stream.html#stream) is a feature in Node.js that allows you to read and write chunks of data.
 
 ```js
-import { Writable } from 'stream';
+import { Writable } from 'node:stream';
+
 import { stream } from 'undici';
 
 async function fetchGitHubRepos() {