Small funding towards updating misc/calibre

[David Brownlee <abs%absd.org@localhost>]

I'm hoping for the right intersection of someone with time an interest
to poke at a large qt6 pkgsrc package, and also interested in some
$beverage funds

pkgsrc misc/calibre has been stuck on 5.x for quite some time. I think
the original reason for blocking moving to a later version was lack of
the right qt6 packages in pkgsrc, but I *think* that has been
resolved.

Anyway, if anyone would be interested in getting misc/calibre updated
to an 8.x version of calibre, including building and running on either
of NetBSD 10.x or 11.x, for the $beverage funding level of $100, I'd
be happy to supply the $100.

Thanks

David