Bump werkzeug from 2.2.3 to 2.3.8

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:development
...

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