Bump werkzeug from 2.3.0 to 2.3.8

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.3.0 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@2.3.0...2.3.8)

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

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

requirements.txt

@@ -1,6 +1,6 @@
 cellxgene
 flask==2.2.5
 flask-api
-werkzeug==2.3.0
+werkzeug==2.3.8
 psutil
 requests