Bump jsonschema in /implementations/rust-jsonschema

Bumps [jsonschema](https://github.com/Stranger6667/jsonschema-rs) from 0.21.0 to 0.22.1.
- [Release notes](https://github.com/Stranger6667/jsonschema-rs/releases)
- [Changelog](https://github.com/Stranger6667/jsonschema-rs/blob/master/CHANGELOG.md)
- [Commits](Stranger6667/jsonschema-rs@rust-v0.21.0...rust-v0.22.1)

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

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