IRC networks - Libera, Freenode (#8706)

Merge pull request 8706

docs/_docs/community/community.md

@@ -16,7 +16,7 @@ If you're looking for support for Jekyll, there are a lot of options:
 
 * Read the [Jekyll Documentation]({{ '/docs/' | relative_url }})
 * If you have a question about using Jekyll, start a discussion on the [Jekyll Forum](https://talk.jekyllrb.com/) or [StackOverflow](https://stackoverflow.com/questions/tagged/jekyll)
-* Chat with Jekyllers — Join our [Gitter channel](https://gitter.im/jekyll/jekyll) or our [IRC channel #jekyll on Freenode](irc://irc.freenode.net/#jekyll)
+* Chat with Jekyllers — Join our [Gitter channel](https://gitter.im/jekyll/jekyll) or our IRC channels #jekyll on [Libera](irc://irc.libera.chat/#jekyll) or [Freenode](irc://irc.freenode.net/#jekyll).
 
 There are a bunch of helpful community members on these services who are willing to point you in the right direction.