Bump ujson from 4.3.0 to 5.1.0 (#210)

Bumps [ujson](https://github.com/ultrajson/ultrajson) from 4.3.0 to 5.1.0.
- [Release notes](https://github.com/ultrajson/ultrajson/releases)
- [Commits](ultrajson/ultrajson@4.3.0...5.1.0)

---
updated-dependencies:
- dependency-name: ujson
  dependency-type: direct:development
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]