Bump werkzeug from 2.0.3 to 2.2.3

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.0.3 to 2.2.3.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets/werkzeug/compare/2.0.3...2.2.3)

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

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

requirements.txt

@@ -3,6 +3,6 @@ Flask==2.0.3
 Flask-SQLAlchemy==2.5.1
 Flask-WTF==0.14.3
 gunicorn
-Werkzeug==2.0.3
+Werkzeug==2.2.3
 Jinja2==3.0.0
 email_validator