IRC moved to Libera

Author: Mailaender

CODE_OF_CONDUCT.md

@@ -56,8 +56,8 @@ further defined and clarified by project maintainers.
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
 reported by private-messaging a project team member (users with a + in front
-of their name) via our IRC channel (#openra on freenode –
-[webchat](http://webchat.freenode.net/?channels=openra)). All
+of their name) via our IRC channel (#openra on Libera –
+[webchat](https://web.libera.chat/#openra)). All
 complaints will be reviewed and investigated and will result in a response that
 is deemed necessary and appropriate to the circumstances. The project team is
 obligated to maintain confidentiality with regard to the reporter of an incident.