Replace Freenode with Libera.Chat

Hugo Osvaldo Barrera · Hugo Osvaldo Barrera · commit 0d0f2974aedb · 2021-05-26T00:19:06.000+02:00
diff --git a/docs/contact.rst b/docs/contact.rst
@@ -2,7 +2,7 @@
 Support and Contact
 ===================
 
-* The ``#pimutils`` `IRC channel on Freenode <https://pimutils.org/contact>`_
+* The ``#pimutils`` `IRC channel on Libera.Chat <https://pimutils.org/contact>`_
   might be active, depending on your timezone. Use it for support and general
   (including off-topic) discussion.
 
