Bump werkzeug from 2.2.3 to 2.3.8 in /requirements

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.2.3 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@2.2.3...2.3.8)

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

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

Author: dependabot[bot]

requirements/prod.txt

@@ -3,7 +3,7 @@
 # Flask
 Flask==2.2.5
 MarkupSafe==2.1.3
-Werkzeug==2.2.3
+Werkzeug==2.3.8
 Jinja2==3.1.3
 itsdangerous==2.1.2
 click==8.1.6