sysutils/tuptime: Update 5.2.3 => 5.2.6

Changelog:
https://github.com/rfmoz/tuptime/blob/5.2.6/CHANGELOG

• Replace spaces with tabs.
• Pet portclippy.

PR: 295072
Approved by: Jeremy Johnston <jeremy@smart-serv.net> (maintaienr, timeout 3 months)
Sponsored by: UNIS Labs
Co-authored-by: Vladimir Druzenko <vvd@FreeBSD.org>