Bump referencing from 0.33.0 to 0.34.0

Bumps [referencing](https://github.com/python-jsonschema/referencing) from 0.33.0 to 0.34.0.
- [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@v0.33.0...v0.34.0)

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

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

requirements.txt

@@ -69,7 +69,7 @@ PyUpdater==4.0
 pywin32==306
 pywin32-ctypes==0.2.2
 pyzmq==25.1.2
-referencing==0.33.0
+referencing==0.34.0
 regex==2023.12.25
 requests==2.31.0
 rpds-py==0.18.0