Bump oj from 3.10.6 to 3.13.20

Bumps [oj](https://github.com/ohler55/oj) from 3.10.6 to 3.13.20.
- [Release notes](https://github.com/ohler55/oj/releases)
- [Changelog](https://github.com/ohler55/oj/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/ohler55/oj/compare/v3.10.6...v3.13.20

)

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

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