Bump python from 3.12.6 to 3.12.7 in docs Docker image (#5416)

Bumps python from 3.12.6-slim-bookworm to 3.12.7-slim-bookworm.

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

{{cookiecutter.project_slug}}/compose/local/docs/Dockerfile

@@ -1,5 +1,5 @@
 # define an alias for the specific python version used in this file.
-FROM docker.io/python:3.12.6-slim-bookworm AS python
+FROM docker.io/python:3.12.7-slim-bookworm AS python
 
 
 # Python build stage