tools-v3.1.1

This release vendors the generated protobuf code in the repository, making it easier for downstream users (you don't need a protobuf compiler available anymore! yay!).

This should have no effect for most users. If you explicitly specified a feature like protoc-from-src, the existing behavior will remain unchanged (rebuilding the protobuf code every time). This is no longer necessary though, so you can drop that feature flag and enjoy the faster builds 😎

What's Changed

• chore: use vendored pre-built protobuf rs file by @nyurik in #30

Full Changelog: cli-v1.5.0...tools-v3.1.1