doc: update a Dispatcher undici doc link

Signed-off-by: Filip Skokan <panva.ip@gmail.com>
PR-URL: #64358
Refs: nodejs/undici-website#7
Reviewed-By: Matthew Aitken <maitken033380023@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

Author: panva

doc/api/globals.md

@@ -559,7 +559,7 @@ in your Node.js process reading the `process.versions.undici` property.
 
 You can use a custom dispatcher to dispatch requests passing it in fetch's options object.
 The dispatcher must be compatible with `undici`'s
-[`Dispatcher` class](https://undici.nodejs.org/#/docs/api/Dispatcher.md).
+[`Dispatcher` class](https://undici.nodejs.org/api/Dispatcher).
 
 ```js
 fetch(url, { dispatcher: new MyAgent() });