Update werkzeug requirement from ~=2.2.2 to ~=3.1.8

Updates the requirements on [werkzeug](https://github.com/pallets/werkzeug) to permit the latest version.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@2.2.2...3.1.8)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-version: 3.1.8
  dependency-type: direct:production
...

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

Author: dependabot[bot]

setup.cfg

@@ -56,7 +56,7 @@ install_requires =
     soupsieve~=2.6
     urllib3~=2.2.3
     waitress==2.0.0
-    Werkzeug~=2.2.2
+    Werkzeug~=3.1.8
     wheel
     xlrd>=1.2
     xmlschema>=2.0.0