security/hidden-lake: Update 1.9.0 => 1.9.1

Changelogs:
* https://github.com/number571/hidden-lake/blob/v1.9.1/CHANGELOG.md#v191
* https://github.com/number571/hidden-lake/compare/v1.9.0...v1.9.1

Approved by:		yuri@ (Mentor)
Differential Revision:	https://reviews.freebsd.org/D52947