Bump werkzeug from 0.15.5 to 2.2.3

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 0.15.5 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/0.15.5...2.2.3)

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

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

requirements.txt

@@ -24,4 +24,4 @@ six==1.10.0
 SQLAlchemy==1.1.10
 SQLAlchemy-Utils==0.32.14
 visitor==0.1.3
-Werkzeug==0.15.5
+Werkzeug==2.2.3