[Cython] cython 3 migration update and next releases

[da-woods]

On 20/05/2023 10:59, Stefan Behnel wrote:
> It's probably a good time to have a final call for merges. Promoting 
> and voting for PRs is welcome.

I've flagged a couple of PRs for possible merging. They're both fairly 
minor Python-compatibility fixes so it probably isn't a disaster if 
they're missed though.

Unfortunately, I doubt I can get the module state refactor into a usable 
state in time.

David