0.3.1

What's Changed

• Fix link problem of libarchive by @ken-matsui in #595
• Bump up mitama-cpp-result version to v9.3.0 by @ken-matsui in #596
• Bump up structopt version by @ken-matsui in #597
• Bump up TOML11 version by @ken-matsui in #598
• Improve the color mode class for termcolor2 by @ken-matsui in #599
• Remove unused & disabled workflow file: linux.yml by @ken-matsui in #600

Full Changelog: 0.3.0...0.3.1