#3364 [Core feature] Use mashumaro to serialize/deserialize dataclass Issue created by pingsutw Motivation: Why do you think this is important? mashumaro has better performance than marshmallow we use now. we should be able to replace it with marshmallow in flytekit. Goal: What should the final outcome look like, ideally? 1. Reduce overhead while serialize/deserialize dataclass. 2. Should not break existing users 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