Bump werkzeug from 0.16.0 to 2.3.8

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 0.16.0 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@0.16.0...2.3.8)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-type: indirect
...

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

requirements.txt

@@ -95,6 +95,7 @@ markupsafe==2.1.3
     # via
     #   jinja2
     #   mako
+    #   werkzeug
 netaddr==0.7.19
     # via -r requirements.in
 packaging==20.9
@@ -180,7 +181,7 @@ urllib3==1.25.8
     #   sentry-sdk
 webencodings==0.5.1
     # via bleach
-werkzeug==0.16.0
+werkzeug==2.3.8
     # via flask
 wtforms==2.2.1
     # via flask-wtf