Allow py 3.12

[felixhekhorn]

Closes #348

cc @scarlehoff

[felixhekhorn]

waiting for NNPDF/banana#61

[felixhekhorn]

@alecandido if you have time, take a look - else I use you as trigger for LHA 🙃

[felixhekhorn]

For future reference: we needed to port the changes from NNPDF/banana#61 to here - which are:

• drop support for python 3.8
• use pandas >2
• use pylint >3.1

in addition, I set numba > 0.59 (which is out since 4 weeks) as I failed here and a simple update seemed to solve the issue ...

[alecandido]

This is reasonable, because ekomark not only depends on banana, but uses those tools directly (to play with banana objects of course, but the dependency is explicitly imported).

So, it should be sensible, since with ekomark you really have banana around. We should just stop the ekomark propagation downstream.