Bump is-my-json-valid from 2.16.0 to 2.20.5

Bumps [is-my-json-valid](https://github.com/mafintosh/is-my-json-valid) from 2.16.0 to 2.20.5.
- [Release notes](https://github.com/mafintosh/is-my-json-valid/releases)
- [Commits](mafintosh/is-my-json-valid@v2.16.0...v2.20.5)

---
updated-dependencies:
- dependency-name: is-my-json-valid
  dependency-type: indirect
...

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Author: dependabot[bot]