Merge pull request #140 from renovate-bot/renovate/python-3.12

Update python:3.12 Docker digest to fce9bc7

Dockerfile

@@ -1,6 +1,6 @@
 # This Dockerfile is based on the pattern recommended by the pipenv docs:
 # https://pipenv.pypa.io/en/latest/docker.html
-FROM python:3.12@sha256:f6d04873f0a67146854270e5f6513ed5e0165557c1b10689f1a20e9e65c8fe8e as builder
+FROM python:3.12@sha256:fce9bc7648ef917a5ab67176cf1c7eb41b110452e259736144bc22f32f3aa622 as builder
 
 RUN pip install --no-cache-dir pipenv==2023.12.1
 ENV PIPENV_VENV_IN_PROJECT=1