Move to libera.chat

Author: Chocobozzz

.github/ISSUE_TEMPLATE/config.yml

@@ -4,7 +4,7 @@ contact_links:
     url: https://matrix.to/#/#peertube:matrix.org
     about: Chat with us via Matrix for quick Q/A here
   - name: 💬 IRC
-    url: https://kiwiirc.com/client/irc.freenode.net/#peertube
+    url: https://kiwiirc.com/nextclient/irc.libera.chat/#peertube
     about: Chat with us via IRC for quick Q/A here
   - name: 🤷💻🤦 Forum
     url: https://framacolibri.org/c/peertube

README.md

@@ -136,7 +136,7 @@ You can also join the cheerful bunch that makes our community:
 
 * Chat<a name="contact"></a>:
   * Matrix (bridged on IRC and [Discord](https://discord.gg/wj8DDUT)) : **[#peertube:matrix.org](https://matrix.to/#/#peertube:matrix.org)**
-  * IRC : **[#peertube on chat.freenode.net:6697](https://kiwiirc.com/client/irc.freenode.net/#peertube)**
+  * IRC : **[#peertube on irc.libera.chat:6697](https://kiwiirc.com/nextclient/irc.libera.chat/#peertube)**
 * Forum:
   * Framacolibri: [https://framacolibri.org/c/peertube](https://framacolibri.org/c/peertube)