Ml-versioning-tools

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- Minor fixes

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- Update pydantic requirements to >= 1.0
- Add the possibility to specify a directory where all DVC metadata files will be generated
through the dvc_metadata_root_dir option in the configuration file
- Execute the DVC run commands in the working directory instead of the git top level directory
- Breaking change: the --working-directory option is now required
- The templates directory is now inside the package directory

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- Smart diff: ensure notebook and script consistency

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- Remove trailing cells
- Report an error if a Jinja template variable is missing (write template and docstring resolution)
- Add a no-cache option to generated DVC commands
- Format generated Python code using YAPF
- Bug Fix: handle path that does not start with / or ./

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- Add ipynb_to_dvc command (generate both python script and dvc command)
- Unfix dependencies versions