Bump python-jose from 3.3.0 to 3.4.0 in /backend

Bumps [python-jose](https://github.com/mpdavis/python-jose) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/mpdavis/python-jose/releases)
- [Changelog](https://github.com/mpdavis/python-jose/blob/master/CHANGELOG.md)
- [Commits](mpdavis/python-jose@3.3.0...3.4.0)

---
updated-dependencies:
- dependency-name: python-jose
  dependency-type: direct:production
...

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

Author: dependabot[bot]

backend/requirements.txt

@@ -81,7 +81,7 @@ pytest-sugar==1.0.0
 python-dateutil==2.9.0.post0
 python-dotenv==1.0.1
 python-engineio==4.11.2
-python-jose==3.3.0
+python-jose==3.4.0
 python-multipart==0.0.20
 python-socketio==5.12.1
 pytz==2025.1