Update python Docker tag to v3.12.1

Author: renovate[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.11.2-slim as builder
+FROM python:3.12.1-slim as builder
 
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
@@ -7,7 +7,7 @@ COPY ./requirements.txt requirements.txt
 
 RUN pip install --user -r requirements.txt
 
-FROM python:3.11.2-slim
+FROM python:3.12.1-slim
 
 ENV PYTHONUNBUFFERED 1