update irc link

[Arhell]

Q	A
Is bugfix?	✔️/❌
New feature?	✔️/❌
Breaks BC?	✔️/❌
Fixed issues

[what-the-diff[bot]]

PR Summary

• Updated IRC channel for Yii framework The chat channel was updated from irc.freenode.net to irc.libera.chat for better community support.