Bump python in /compose/production/django

Bumps python from 3.11.5-slim-bullseye to 3.11.6-slim-bullseye.

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

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

compose/production/django/Dockerfile

@@ -1,6 +1,6 @@
 
 # define an alias for the specific python version used in this file.
-FROM python:3.11.5-slim-bullseye as python
+FROM python:3.11.6-slim-bullseye as python
 
 # Python build stage
 FROM python as python-build-stage