Update the links for the groupme protocol to the active repository

Testing Done:
Ran the devserver and verified everything looked okay.

Reviewed at
title: Bonjour
date: 2019-08-07T22:28:26.000Z
replaces: []
weight: 10
lastmod: 2019-08-23T02:53:18.000Z
### What is Bonjour?
Bonjour is a serverless messaging protocol developed by Apple, Inc. ([Apple
developer information on Bonjour](
based on XMPP that operates only on a local network.
{{% xep 0174 "This XMPP extension" %}} defines the protocol.
### Can I use Windows Pidgin for Bonjour?
Yes. You must install Apple's [Bonjour Print Services for
Windows]( to use this functionality.