Update ruby-ffi-libarchive to 1.0.3.
1.0.3 (2020-06-26)
* Optionally clone entries when iterating through an archive #30 (jatoben)
* Replace specific types with more generic equivalents. #32 (phiggins)
* Modern expeditor / buildkite setup #33 (tas50)
Update ruby-ffi-libarchive to 1.0.0.
* Update HOMEPAGE and LICENSE.
* Proper COMMENT.
* No need to use gmake.
* add "USE_LANGUAGES= # none".
1.0.0 (2019-12-28)
* Chefstyle fixes to get the build green again #25 (tas50)
* Add support for custom read functions #27 (jatoben)
* Add Ruby 2.7rc testing and cache gem installs in Buildkite #28 (tas50)