Update IRC channel

README.md

@@ -130,7 +130,7 @@ When updating the playbook, refer to [the changelog](CHANGELOG.md) to catch up w
 
 - Matrix room: [#matrix-docker-ansible-deploy:devture.com](https://matrix.to/#/#matrix-docker-ansible-deploy:devture.com)
 
-- IRC channel: `#matrix-docker-ansible-deploy` on the [Freenode](https://freenode.net/) IRC network (irc.freenode.net)
+- IRC channel: `#matrix-docker-ansible-deploy` on the [Libera Chat](https://libera.chat/) IRC network (irc.libera.chat:6697)
 
 - GitHub issues: [spantaleev/matrix-docker-ansible-deploy/issues](https://github.com/spantaleev/matrix-docker-ansible-deploy/issues)