[CI] Add container build

[Renizmy]

Create a Connector Base Image ~~(WIP🚧)~~

• Should follow the same lifecycle as the Python library.
• ARM support has been implemented.

Required environment variables for docker registry connection

• DOCKERHUB_PASS
• DOCKERHUB_USERNAME

Completed Tasks

• [x] Python 3.12 build
• [x] Python 3.11 build
• [x] ARM image support
• [x] Use a dedicated app user instead of the default image user

Pending Tasks

• [ ] Sign images
• [ ] Add solution to manually trigger nightly builds => Aborted
• [ ] Implement vulnerability scanner (with cache optimization)

[Renizmy]

Hello I made few modifications:

Add capacity to push to ghcr.io registry (images will be pulled very heavily during connector releases) Facilitate the add-on of Python versions