Bump werkzeug from 2.2.3 to 3.1.5 in /app/frontend

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]

app/frontend/requirements.txt

@@ -1,7 +1,7 @@
 wheel>=0.40.0
 setuptools>=65.5.1
 Flask==2.2.3; python_version >= "3.7"
-Werkzeug==2.2.3; python_version >= "3.7"
+Werkzeug==3.1.5; python_version >= "3.7"
 flask-cors==6.0.0; python_version >= "3.7"
 pika==1.3.0; python_version >= "3.7"
 prometheus-client==0.16.0; python_version >= "3.7"