x11/rofi-calc: Update to 1.9

Minor update, that adds options to specify output hints.

PR: 249891
Submitted by: Vidar Karlsen <vidar@karlsen.tech> (maintainer)
Approved by: tcberner (mentor)
Relnotes: https://github.com/svenstaro/rofi-calc/blob/master/CHANGELOG.md
Differential Revision: https://reviews.freebsd.org/D26565