chore: update discord link

scripts/tasks/how-to-examples.md

@@ -34,5 +34,5 @@ You can find the full list of "How to?" in the sidebar. If there is
 something that you would like to do that is not documented, please join
 our [Discord server][] and let us know!
 
-[discord server]: https://discord.com/invite/electron
+[discord server]: https://discord.com/invite/electronjs
 [fiddle]: https://www.electronjs.org/fiddle