ray package has a breaking dependency pydantic>2.0.*

[tedhtchang]

See detail ray-project/ray#37000
To continue development (locally) we may need to downgrade the pandantic<2 in our requirments.txt.
thanks @carsonmh mentioned

been running into AttributeError: module 'pydantic.fields' has no attribute 'ModelField' when I run ray.init(address=cluster.local_client_url(), logging_level="DEBUG"). Is this