Bump justinrainbow/json-schema from 5.2.11 to 5.2.12

Bumps [justinrainbow/json-schema](https://github.com/justinrainbow/json-schema) from 5.2.11 to 5.2.12.
- [Release notes](https://github.com/justinrainbow/json-schema/releases)
- [Commits](jsonrainbow/json-schema@5.2.11...5.2.12)

---
updated-dependencies:
- dependency-name: justinrainbow/json-schema
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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