build(deps): bump werkzeug from 2.3.8 to 3.0.3 in /backend (#83)

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.3.8 to 3.0.3.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@2.3.8...3.0.3)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

backend/requirements.txt

@@ -6,7 +6,7 @@ Jinja2==3.1.4
 MarkupSafe==2.1.1
 pymongo==4.6.3
 six==1.16.0
-Werkzeug==2.3.8
+Werkzeug==3.0.3
 pytest~=7.2.0
 gunicorn
 kubernetes~=26.1.0