pidgin/pidgin

Update IRC channel references to Libera.chat

2021-06-21, Jonathan Champ
d7b082e438b5
Update IRC channel references to Libera.chat

Testing Done:
None. These should just be text changes? This is my first attempt to contribute since 2004.

Reviewed at https://reviews.imfreedom.org/r/767/
subdir('bonjour')
subdir('facebook')
subdir('gg')
subdir('irc')
subdir('jabber')
subdir('novell')
subdir('null')
subdir('sametime')
subdir('silc')
subdir('zephyr')