OVS IRC is now on libera.chat.

Author: blp

_includes/side-widgets.html

@@ -95,6 +95,6 @@
     IRC
   </div>
   <div class="widget-body">
-    Visit #openvswitch on irc.<a href="http://freenode.net">freenode.net</a>.
+    Visit #openvswitch on irc.<a href="http://libera.chat">libera.chat</a>.
   </div>
 </div>