Bump werkzeug from 2.0.2 to 3.0.3 (#12)

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.0.2 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@2.0.2...3.0.3)

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

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

example/requirements.txt

@@ -17,5 +17,5 @@ pytz==2021.3
 requests==2.26.0
 six==1.16.0
 urllib3==1.26.19
-Werkzeug==2.0.2
+Werkzeug==3.0.3
 gevent-websocket