net/jotta-cli: Fix permissions for jotta-cli

The ownership for @LOCALBASE/etc/jottad were wrong (they need to be
owned by jottad:jottad.

As I had updated the portrevision, I fixed some PORTLINT issues as
well.

MFH: 2023Q1
PR: 268601
Reported by: Vidar Karlsen <vidar@karlsen.tech>
Approved by: flo (mentor)
Differential Revision: https://reviews.freebsd.org/D38685