Python 3.8 out of support from October 2024, move python version to newer version

[tim-p-allen]

Description

Python 3.8 is moving out of extended support from October 2024.
References to Python 3.8 need updating and testing.

Your apps that are hosted on App Service will continue to run, but security updates will no longer be available and we'll no longer provide customer service for Python 3.8. Learn more about App Service language support.

Dockerfiles Referencing FROM python:3.8-slim-bullseye as base

• api_app
• resource_processor
• airlock_processor
• shared_service/certs
• workspace_service/MLFlow
• .devcontainer

Potential upgrade version python:3.12-slim-bullseye or mcr.microsoft.com/azure-functions/python:4-python3.12

[RPal111]

The python:3.11-slim-bullseye has been upgraded, tested, and submitted for review.