v0.1.38

<!-- Release notes generated using configuration in .github/release.yml at v0.1.38 -->

What's Changed

• support for container mounts and healthchecks in container config by @senyosimpson in https://github.com/superfly/fly-go/pull/130
• Add stdin to exec request by @benbjohnson in https://github.com/superfly/fly-go/pull/133

Full Changelog: https://github.com/superfly/fly-go/compare/v0.1.37...v0.1.38