Fix typo: Update anatomy-of-an-http-transaction.md (#7182)

Fix typo on code block type.

Signed-off-by: Shahan Arshad <[email protected]>

Author: sazk07

apps/site/pages/en/learn/modules/anatomy-of-an-http-transaction.md

@@ -515,7 +515,7 @@ and message would be. As usual with errors, you should consult the
 
 On the response, we'll just log the error to `stderr`.
 
-```js
+```cjs
 const http = require('node:http');
 
 http
@@ -538,7 +538,7 @@ http
   .listen(8080);
 ```
 
-```js
+```mjs
 import http from 'node:http';
 
 http