Merge pull request #405 from renovate-bot/renovate/python-3.12

Update python:3.12 Docker digest to f71437b

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@sha256:0edf009f39317eebcf7b618dd902dfd6b446396fc775d179c1a1acd3934cf47c as builder
+FROM python:3.12@sha256:f71437b2bad6af0615875c8f7fbeeeae1b73e3c76b82056d283644aca5afe355 as builder
 
 RUN pip install --no-cache-dir pipenv==2023.12.1
 ENV PIPENV_VENV_IN_PROJECT=1