build(deps): bump werkzeug from 2.1.0 to 2.1.1

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.1.0 to 2.1.1.
- [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/2.1.0...2.1.1)

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

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

requirements.txt

@@ -78,5 +78,5 @@ webapp2==3.0.0b1
 webencodings==0.5.1
 WebOb==1.8.7
 websocket-client==1.3.2
-Werkzeug==2.1.0
+Werkzeug==2.1.1
 wrapt==1.14.0