#6503 [Core feature] Add support Literal Transformer Issue created by pingsutw ### Motivation: Why do you think this is important? Currently, the Literal will be serialized to a pickle file instead of proto. from pydantic import BaseModel from typing import Literal class People(BaseModel): name: Literal["a"] ### Goal: What should the final outcome look like, ideally? Use the literal transformer to serialize the

Literal

to a literal primitive ### Describe alternatives you've considered NA ### Propose: Link/Inline OR Additional context No response ### Are you sure this issue hasn't been raised already? • Yes ### Have you read the Code of Conduct? • Yes flyteorg/flyte