docs: document PWDEBUG=console disables timeout (#27725)

Fixes #27691

Signed-off-by: Max Schmitt <max@schmitt.mx>

docs/src/debug.md

@@ -238,6 +238,7 @@ When running in Debug Mode with `PWDEBUG=console`, a `playwright` object is avai
 - **See console logs** during execution (or learn how to [read logs via API](./api/class-page.md#page-event-console))
 - Check **network activity** and other developer tools features
 
+This will also set the default timeouts of Playwright to 0 (= no timeout).
 
 <img width="1399" alt="Browser Developer Tools with Playwright object" src="https://user-images.githubusercontent.com/13063165/219128002-898f604d-9697-4b7f-95b5-a6a8260b7282.png" />