Bump is-my-json-valid from 2.17.1 to 2.20.0
Bump is-my-json-valid from 2.17.1 to 2.20.0

Bumps [is-my-json-valid](https://github.com/mafintosh/is-my-json-valid) from 2.17.1 to 2.20.0.
- [Release notes](https://github.com/mafintosh/is-my-json-valid/releases)
- [Commits](https://github.com/mafintosh/is-my-json-valid/compare/v2.17.1...v2.20.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
lnug/lnug.github.io,lnug/lnug.github.io