Openlineage support - Add Extractor for TransformOperator

[kaxil]

Please describe the feature you'd like to see
We should be able to extract open lineage info from the TransformOperator.

Describe the solution you'd like

• Add a method get_openlineage_facets on the Operator (based on this doc)
• The "PythonSDKExtractor" built-in [POC] Openlineage support - Add Extractor for LoadFileOperator #898 should be able to work with TransformOperator.get_openlineage_facets. Test it to make sure it works

Acceptance Criteria

• Post the screenshot of how it looks in the Openlineage/Marquez UI
• All checks and tests in the CI should pass
• Unit tests (90% code coverage or more, once available)
• Integration tests (if the feature relates to a new database or external service)
• Docstrings in reStructuredText for each of methods, classes, functions and module-level attributes (including Example DAG on how it should be used)
• Exception handling in case of errors
• Logging (are we exposing useful information to the user? e.g. source and destination)
• Improve the documentation (README, Sphinx, and any other relevant)