Bump marshmallow-dataclass from 8.6.0 to 8.6.1

Bumps [marshmallow-dataclass](https://github.com/lovasoa/marshmallow_dataclass) from 8.6.0 to 8.6.1.
- [Changelog](https://github.com/lovasoa/marshmallow_dataclass/blob/master/CHANGELOG.md)
- [Commits](lovasoa/marshmallow_dataclass@v8.6.0...v8.6.1)

---
updated-dependencies:
- dependency-name: marshmallow-dataclass
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>