feat: Enhance skore.cross_validate with cross_validate history

[MarieS-WiMLDS]

Is your feature request related to a problem? Please describe.

As a data scientist, I don't want my cross_validate plots to be erased on each iteration.
Sub issue of #544

Describe the solution you'd like

We want to have a name quite short, but as representative as possible of the execution that took place.
Do not erase cross_validate on each run, but rather create a new plot with a new name, following this convention: cv_skore_{estimator}_run_{iter}.

Describe alternatives you've considered, if relevant

cv_skore_run_{iter} could be another solution, but the iter number might grow super high very quick. Not what we want.

Additional context

No response

[augustebaum]

What is estimator precisely? is it the class name of the estimator?

[tuscland]

Giving priority to #504, after completion, this issue might become irrelevant.