Bugzilla: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=232556
- Update to 1.13.0
- Do not use GH_* variables as USE_GITHUB is not set
- Use DISTVERSION instead of PORTVERSION
- Set LICENSE_FILE
- Fix the order of variables
- Use INSTALL_TARGET=install-strip instead of STRIP_CMD in post-install
- Remove trailing whitespace from pkg-descr