Bump werkzeug from 2.0.0 to 2.3.8

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.0.0 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@2.0.0...2.3.8)

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

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

requirements.txt

@@ -99,7 +99,7 @@ Unidecode==0.4.21
 universal-analytics-python3==1.0.1
 watchdog==0.8.3
 webassets==2.0
-Werkzeug==2.0.0
+Werkzeug==2.3.8
 WTForms==2.0.2
 xlrd==1.0.0
 XlsxWriter==0.6.6