Bump werkzeug from 2.0.2 to 2.2.3 in /flask-restx

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.0.2 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@2.0.2...2.2.3)

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

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

Author: dependabot[bot]

flask-restx/requirements.txt

@@ -18,4 +18,4 @@ scipy==1.7.1
 six==1.16.0
 sklearn==0.0
 threadpoolctl==3.0.0
-Werkzeug==2.0.2
+Werkzeug==2.2.3