move the #vouch irc channel to libera.chat

.github/workflows/notify-irc.yml

@@ -10,6 +10,7 @@ jobs:
         if: github.event_name == 'push'
         with:
           channel: "#vouch"
+          server: irc.libera.chat
           nickname: from-github
           message: |
             ${{ github.actor }} pushed ${{ github.event.ref }} ${{ github.event.compare }}
@@ -19,6 +20,7 @@ jobs:
         if: github.event_name == 'pull_request'
         with:
           channel: "#vouch"
+          server: irc.libera.chat
           nickname: from-github
           message: |
             ${{ github.actor }} opened PR ${{ github.event.html_url }}
@@ -27,6 +29,7 @@ jobs:
         if: github.event_name == 'create' && github.event.ref_type == 'tag'
         with:
           channel: "#vouch"
+          server: irc.libera.chat
           nickname: from-github
           message: |
             ${{ github.actor }} tagged ${{ github.repository }} ${{ github.event.ref }}

.travis.yml

@@ -40,4 +40,4 @@ script:
 #      tags: true
 #
 notifications:
-  irc: "chat.freenode.net#vouch"
+  irc: "irc.libera.chat#vouch"

README.md

@@ -394,7 +394,7 @@ TLDR:
   - and follow the instructions at the end to redact your Nginx config
 - all of those go into a [gist](https://gist.github.com/)
 - then [open a new issue](https://github.com/vouch/vouch-proxy/issues/new) in this repository
-- or visit our IRC channel [#vouch](irc://freenode.net/#vouch) on freenode
+- or visit our IRC channel [#vouch](irc.libera.chat/#vouch) on libera.chat
 
 A bug report can be generated from a docker environment using the `voucher/vouch-proxy:alpine` image...