Update python:3.11.4-alpine3.18 Docker digest to 603975e

Dockerfile

-FROM python:3.11.4-alpine3.18@sha256:b43604aeeeb2a6de95c1bc100c30e12f5e44c072a369337da900d6a20bcf36c0
+FROM python:3.11.4-alpine3.18@sha256:603975e62d85aa07578034d3d10ffa1983b7618a6abb6371cf51941be6b8842c
 COPY ./requirements.txt /app/requirements.txt
 RUN pip install --no-cache-dir -r /app/requirements.txt && \
     apk add --no-cache font-dejavu