Expected to be release the [2nd October 2023](https://peps.python.org/pep-0693/). - [x] docker/python3/poetry#8+: Unstable image in the meantime: using `rc` with `gcc` and `libffi-dev` installed - [x] Set up v3.12 test job - [x] Set `allow_failure = True` - [x] docker/python3/poetry#8+: Use stable tag (without `rc`) Remove `gcc` and `libffi-dev` installations - [x] Move coverage to v3.12 job - [x] Set default container to v3.12 (would require `pre-commit` and `git` to be installed) - [x] Handle deprecation warning and breaking features - [x] Open follow-up v3.13 tickets: #208+