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](pallets/werkzeug@2.0.3...2.2.3)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -11,5 +11,5 @@ pycodestyle==2.10.0
 pydocstyle==6.2.2
 requests==2.28.1
 Sphinx==5.3.0
-Werkzeug==2.0.3
+Werkzeug==2.2.3
 setuptools>=65.5.1 # not directly required, pinned by Snyk to avoid a vulnerability