Fix: Some links are inactive

[3kori]

Issue Description

A couple of useful links in the Test Chat Moderator Guide are in active.

URL of the Page with the issue

https://make.wordpress.org/test/handbook/team-reps/test-chat-moderator-guide

Steps to reproduce

1. Visit the page linked above.
2. Check for inactive links under these sections:
   • Pre-Meeting Preparation
   • Share Agenda
   • Standard Links
   • Common references
   • Essential Pages

Suggested Fix

Update the links to make them active.

Screenshot