Bump referencing from 0.30.0 to 0.30.2

Bumps [referencing](https://github.com/python-jsonschema/referencing) from 0.30.0 to 0.30.2.
- [Release notes](https://github.com/python-jsonschema/referencing/releases)
- [Changelog](https://github.com/python-jsonschema/referencing/blob/main/docs/changes.rst)
- [Commits](python-jsonschema/referencing@v0.30.0...v0.30.2)

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

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

requirements.txt

@@ -55,7 +55,7 @@ python-dotenv==1.0.0
 pytz==2023.3
 pytz-deprecation-shim==0.1.0.post0
 PyYAML==6.0.1
-referencing==0.30.0
+referencing==0.30.2
 requests==2.31.0
 retrying==1.3.4
 rich==13.5.1