Log Message:
py-ipython: updated to 9.0.2

As a short overview of the changes in 9.0, we have over 100 PRs merged since 8.x,
many of which are refactors, cleanups and simplifications.

- (optional) LLM integration in the CLI.
- Complete rewrite of color and theme handling, which now supports more colors \ 
and symbols.
- Move tests out of tree in the wheel with a massive reduction in file size.
- Tips at startup
- Removal of (almost) all deprecated functionalities and options.
- Stricter and more stable codebase.