Bump marshmallow-dataclass from 8.3.2 to 8.4.1

Bumps [marshmallow-dataclass](https://github.com/lovasoa/marshmallow_dataclass) from 8.3.2 to 8.4.1.
- [Release notes](https://github.com/lovasoa/marshmallow_dataclass/releases)
- [Changelog](https://github.com/lovasoa/marshmallow_dataclass/blob/master/CHANGELOG.md)
- [Commits](lovasoa/marshmallow_dataclass@v8.3.2...v8.4.1)

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