Move IRC channel to Libera Chat

Signed-off-by: Andreas K. Hüttel <[email protected]>

Author: akhuettel

dist.ini

@@ -14,7 +14,7 @@ bugtracker.web    = https://github.com/lab-measurement/lab-measurement/issues
 repository.url    = https://github.com/lab-measurement/lab-measurement.git
 repository.web    = https://github.com/lab-measurement/lab-measurement
 repository.type   = git
-x_IRC = irc://chat.freenode.net/#labmeasurement
+x_IRC = irc://irc.libera.chat/#labmeasurement
 x_MailingList = https://www-mailman.uni-regensburg.de/mailman/listinfo/lab-measurement-users
 
 [GatherDir]