Bump python in /compose/local/docs

Bumps python from 3.11.7-slim-bullseye to 3.11.8-slim-bullseye.

---
updated-dependencies:
- dependency-name: python
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

compose/local/docs/Dockerfile

@@ -1,5 +1,5 @@
 # define an alias for the specific python version used in this file.
-FROM python:3.11.7-slim-bullseye as python
+FROM python:3.11.8-slim-bullseye as python
 
 
 # Python build stage