Switch to the Libera.Chat IRC Network

Signed-off-by: Bryan Hundven <bryan.hundven@on24.com>

Author: Bryan Hundven

_config.yml

@@ -7,7 +7,7 @@ url: 'http://crosstool-ng.github.com' # the base hostname & protocol for your si
 github_username: crosstool-ng
 license_url: https://raw.githubusercontent.com/crosstool-ng/crosstool-ng/master/COPYING
 mailinglist_url: https://sourceware.org/ml/crossgcc/
-irc_url: irc://irc.freenode.net/#crosstool-ng
+irc_url: irc://irc.libera.chat/#crosstool-ng
 download_url: http://crosstool-ng.org/download/crosstool-ng/
 
 # Build settings

_pages/docs/7_Contributing.md

@@ -14,7 +14,7 @@ Archive and subscription info can be found here:
 [https://sourceware.org/ml/crossgcc/](https://sourceware.org/ml/crossgcc/)
 
 Sometimes you may be able to contact a maintainer on IRC at the #crosstool-ng
-channel on the FreeNode net (irc.freenode.net).
+channel on the Libera.Chat (irc.libera.chat).
 
 Using a mailing list or IRC to triage an issue is okay. If it looks like a bug,
 you'll be asked to file an issue at Github. If it looks like a pilot error,

_pages/support.md

@@ -37,7 +37,7 @@ Archive and subscription info can be found here:
 
 ## International Relay Chat (IRC)
 
-Use channel #crosstool-ng on FreeNode (irc.freenode.net)
+Use channel #crosstool-ng on Libera.Chat (irc.libera.chat)
 
 ## Deprecation policy