chore(deps): bump werkzeug in /python_dependencies/backend

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.2.3 to 3.1.5.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@2.2.3...3.1.5)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-version: 3.1.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

python_dependencies/backend/requirements.txt

@@ -26,4 +26,4 @@ SQLAlchemy-Utils
 SQLAlchemy==2.*
 tenacity
 tiledb
-Werkzeug==2.2.3
+Werkzeug==3.1.5