v0.4.3

<!-- Release notes generated using configuration in .github/release.yml at v0.4.3 -->

What's Changed

• Bump j178/prek-action from 1 to 2 by @dependabot[bot] in https://github.com/superfly/fly-go/pull/215
• Remove FsSizeGB from MachineRootfs by @dangra in https://github.com/superfly/fly-go/pull/216
• Add MachineCacheDrive type to MachineConfig by @dangra in https://github.com/superfly/fly-go/pull/217

Full Changelog: https://github.com/superfly/fly-go/compare/v0.4.2...v0.4.3