Bump rubix/ml from 0.1.4 to 0.2.0

Bumps [rubix/ml](https://github.com/RubixML/RubixML) from 0.1.4 to 0.2.0.
- [Release notes](https://github.com/RubixML/RubixML/releases)
- [Changelog](https://github.com/RubixML/RubixML/blob/master/CHANGELOG.md)
- [Commits](https://github.com/RubixML/RubixML/compare/0.1.4...0.2.0

)

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