Change IRC links to point to Libera.Chat

CONTRIBUTING.md

@@ -5,7 +5,7 @@ If you need help setting up XTools on your local machine, refer to the
 documentation at https://www.mediawiki.org/wiki/XTools/Development
 
 If you run into any trouble, ask for help at https://www.mediawiki.org/wiki/Talk:XTools or on IRC in
-the #wikimedia-xtools channel on freenode ([live chat](https://webchat.freenode.net/?channels=#wikimedia-xtools)).
+the #wikimedia-xtools channel on Libera.Chat ([live chat](https://kiwiirc.com/nextclient/irc.libera.chat/#wikimedia-xtools)).
 
 For pull requests
 -----------------

templates/default/_report_issue_links.html.twig

@@ -2,5 +2,5 @@
 ·
 <a href='https://phabricator.wikimedia.org/maniphest/task/create/?title=PLEASE REPLACE WITH A DESCRIPTION OF THE ISSUE&amp;projects=XTools&amp;description=Please provide any further details here%0A%0AXTools version: {{ version }}-{{ shortHash() }}' target=_blank>{{ msg('report-issue') }}</a>
 &middot;
-<a href="irc://irc.freenode.net/#wikimedia-xtools" target="_blank">#wikimedia-xtools</a>
-<sup><a style="color:green" href="https://webchat.freenode.net/?channels=#wikimedia-xtools" target="_blank">{{ msg('web-chat')|lower }}</a></sup>
+<a href="ircs://irc.libera.chat:6697/#wikimedia-xtools" target="_blank">#wikimedia-xtools</a>
+<sup><a style="color:green" href="https://kiwiirc.com/nextclient/irc.libera.chat/#wikimedia-xtools" target="_blank">{{ msg('web-chat')|lower }}</a></sup>