update firefox link (#46330)

docs/troubleshooting-guide/diagnostic-info.md

@@ -29,7 +29,7 @@ Metabase will log errors, both on the server and in the browser console, dependi
 
 - [Chrome](https://developers.google.com/web/tools/chrome-devtools/open#console)
 - [Edge](https://docs.microsoft.com/en-us/microsoft-edge/devtools-guide-chromium)
-- [Firefox](https://developer.mozilla.org/en-US/docs/Tools/Web_Console/Opening_the_Web_Console)
+- [Firefox](https://firefox-source-docs.mozilla.org/devtools-user/)
 - [Safari](https://support.apple.com/guide/safari-developer/develop-menu-dev39df999c1/mac)
 
 **Creating a HAR file**: HAR files record network requests generated by your browser. HAR files can be helpful when troubleshooting issues with Metabase performance. Check out [Creating HAR files for troubleshooting](./create-har-file.md).