Limit Pydantic to V1 in dependencies (#24596)
* Limit Pydantic to V1 in dependencies
Pydantic is about to release V2 release which will break a lot of things. This change prevents `transformers` to be used with Pydantic V2 to avoid breaking things.
* more
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Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>