Bump werkzeug from 0.15.5 to 2.3.8

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 0.15.5 to 2.3.8.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@0.15.5...2.3.8)

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

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

requirements3.txt

@@ -34,5 +34,5 @@ PyYAML==5.1
 six==1.12.0
 statsd==3.2.1
 urllib3==1.25.3
-Werkzeug==0.15.5
+Werkzeug==2.3.8
 omnibot-receiver==3.1.4