Bump prost-derive from 0.8.0 to 0.9.0
Bump prost-derive from 0.8.0 to 0.9.0

Bumps [prost-derive](https://github.com/tokio-rs/prost) from 0.8.0 to 0.9.0.
- [Release notes](https://github.com/tokio-rs/prost/releases)
- [Commits](https://github.com/tokio-rs/prost/compare/v0.8.0...v0.9.0)

---
updated-dependencies:
- dependency-name: prost-derive
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
habitat-sh/habitat,habitat-sh/habitat,habitat-sh/habitat,habitat-sh/habitat,habitat-sh/habitat,habitat-sh/habitat,habitat-sh/habitat,habitat-sh/habitat