net/zapret: Update 72 => 72.1

Changelogs:
* https://github.com/bol-van/zapret/releases/tag/v72.1
* https://github.com/bol-van/zapret/compare/v72...v72.1

Approved by:		yuri@ (maintainer, Mentor)
Differential Revision:	https://reviews.freebsd.org/D53111