Merge pull request #89 from DiamondLightSource/renovate/python-3.12

chore(deps): update python:3.12 docker digest to cb730bb

Author: Relm-Arrowny

Dockerfile

@@ -1,6 +1,6 @@
 # The devcontainer should use the developer target and run as root with podman
 # or docker with user namespaces.
-ARG PYTHON_VERSION=3.12@sha256:8c9c6eeab4583348e54f02ba60c358075a1c6e0da53e827162f7f91ef4e4c872
+ARG PYTHON_VERSION=3.12@sha256:cb730bbcdb60f0281f4de441e25b7481f69d5369e5f52516b9795d3b59f00a3b
 FROM python:${PYTHON_VERSION} AS developer
 
 # Add any system dependencies for the developer/build environment here