deskutils/clipnotify: Update to 1.0.2-6 (upstream snapshot, 25ba143)

Some useful new features have been added since upstream tagged 1.0.2.

• c04a22ed Add loop mode
• 094dd7e2 Add -s option to monitor specific selections

Approved by: nivit (maintainer timeout)
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D40404