Bump jsonschema-spec from 0.2.3 to 0.2.4

Bumps [jsonschema-spec](https://github.com/p1c2u/jsonschema-spec) from 0.2.3 to 0.2.4.
- [Release notes](https://github.com/p1c2u/jsonschema-spec/releases)
- [Commits](p1c2u/jsonschema-path@0.2.3...0.2.4)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]