graphics/zathura: Update 0.5.11 => 0.5.12
Changelog:
https://pwmt.org/projects/zathura/changelog/0.5.12/index.html
- Since there are no older versions in the ports tree, remove the BUILD_DEPENDS version specification.
- Switch python to python:build.
- Rename post-patch to post-patch-MANPAGES-on - used for MANPAGES only.
- Replace gettext with gettext-runtime and gettext-tools in USES.
PR: 289158
Approved by: quentin.stievenart@gmail.com (maintainer)