build(deps): bump jsonschema from 4.2.0 to 4.2.1

Bumps [jsonschema](https://github.com/Julian/jsonschema) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/Julian/jsonschema/releases)
- [Changelog](https://github.com/Julian/jsonschema/blob/main/CHANGELOG.rst)
- [Commits](python-jsonschema/jsonschema@v4.2.0...v4.2.1)

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

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

requirements-test.txt

@@ -4,7 +4,7 @@ black==21.10b0
 
 codespell==2.1.0
 
-jsonschema==4.2.0
+jsonschema==4.2.1
 coverage==6.1.1
 doc8==0.9.1