biology/vcflib: Update to 1.0.2
Switch to github submodules for most deps rather than patch build system
Fixes build on powerpc64 and aarch64, possibly others
Changes: https://github.com/vcflib/vcflib/tags
PR: 259622
Reported by: pkubaj
biology/vcflib: C++ library and CLI tools for parsing and manipulating VCF files
Approved by: jrm (mentor)
Differential Revision: https://reviews.freebsd.org/D15109