bug#44871: arcan: update to 0.6

[Maxim Cournoyer]

Hello,

Vinícius dos Santos Oliveira <vini.ipsma...@gmail.com> writes:

> Here are the release notes:
> https://arcan-fe.com/2020/11/24/arcan-0-6-m-start-networking/

Would you like to give it a try?

Maxim