Bump ujson from 4.1.0 to 4.2.0 (#182)

Bump ujson from 4.1.0 to 4.2.0 (#182)

Bumps [ujson](https://github.com/ultrajson/ultrajson) from 4.1.0 to 4.2.0.
- [Release notes](https://github.com/ultrajson/ultrajson/releases)
- [Commits](https://github.com/ultrajson/ultrajson/compare/4.1.0...4.2.0)

---
updated-dependencies:
- dependency-name: ujson
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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