Bump jsonschema from 4.4.0 to 4.18.4

Bumps [jsonschema](https://github.com/python-jsonschema/jsonschema) from 4.4.0 to 4.18.4.
- [Release notes](https://github.com/python-jsonschema/jsonschema/releases)
- [Changelog](https://github.com/python-jsonschema/jsonschema/blob/main/CHANGELOG.rst)
- [Commits](python-jsonschema/jsonschema@v4.4.0...v4.18.4)

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

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

requirements.txt

@@ -1,5 +1,5 @@
 requests>=2.22.0
-jsonschema==4.4.0
+jsonschema==4.18.4
 jsonschema[format]
 Click>=7.0
 validators>=0.14.0