Bump referencing from 0.32.1 to 0.33.0

Bumps [referencing](https://github.com/python-jsonschema/referencing) from 0.32.1 to 0.33.0.
- [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@v0.32.1...v0.33.0)

---
updated-dependencies:
- dependency-name: referencing
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

requirements/requirements.txt

@@ -165,7 +165,7 @@ pytz==2023.3.post1
     #   django-anvil-consortium-manager
     #   django-dbbackup
     #   pandas
-referencing==0.32.1
+referencing==0.33.0
     # via
     #   jsonschema
     #   jsonschema-specifications