Bump werkzeug from 1.0.1 to 2.2.3 in /backend/python

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 1.0.1 to 2.2.3.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@1.0.1...2.2.3)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-type: direct:production
...

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

Author: dependabot[bot]

backend/python/requirements.txt

@@ -68,5 +68,5 @@ typed-ast==1.4.2
 typing-extensions==3.10.0.0
 uritemplate==3.0.1
 urllib3==1.26.5
-Werkzeug==1.0.1
+Werkzeug==2.2.3
 zipp==3.4.1