These IRC notifications are now banned by Libera.chat

[jmckenna]

• log from recent run:

WARNING:NotifyIRC:libera:Unknown command: [calcium.libera.chat] 465 ['oih-github-notif', 'You are banned from this server- Your host is listed on DroneBL. Visit http://dronebl.org/lookup?ip=40.84.170.32 to request removal. Email bans@libera.chat for additional assistance. (2023/2/24 13.39)']

• associated job: https://github.com/iodepo/oih-ui/actions/runs/4262958122/jobs/7419086762