Bump referencing from 0.35.1 to 0.37.0

Bumps [referencing](https://github.com/python-jsonschema/referencing) from 0.35.1 to 0.37.0.
- [Release notes](https://github.com/python-jsonschema/referencing/releases)
- [Changelog](https://github.com/python-jsonschema/referencing/blob/main/docs/changes.rst)
- [Commits](https://github.com/python-jsonschema/referencing/compare/v0.35.1...v0.37.0)

---
updated-dependencies:
- dependency-name: referencing
  dependency-version: 0.37.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -127,7 +127,7 @@ greenlet >= 3.0.3
 gevent
 
 # Pinned or it causes problems with flask_expects_json which seems unmaintained
-referencing==0.35.1
+referencing==0.37.0
 
 # For conditions
 panzi-json-logic