To publish a new version:
1. Set `package.version` in `./Cargo.toml`
2. Review and commit all changed files
3. Raise a PR & Wait for CI
4. Merge
5. `cargo publish`
6. Create a tag of the form `vX.Y.Z`: `git tag -m 'vX.Y.Z' 'vX.Y.Z' && git push --tags`