Changed IRC server link

Author: redtide

_data/locale/en/layout.yml

@@ -115,7 +115,7 @@ cards:
     icon_category: "fab"
 
   - label: "IRC"
-    url: https://kiwiirc.com/nextclient/#irc://irc.freenode.net:+6697/#sfztools
+    url: https://kiwiirc.com/nextclient/#irc://irc.libera.chat:+6697/#sfztools
     icon_type: "hashtag"
     icon_category: "fas"