Sklearn estimator `n_features` default value not coherent with core's `max_features`

[folmos-at-orange]

Description

For sklearn estimators n_features is set to the old default 100. It should be 1000 reflecting the new default since v11.

[tramora]

The corresponding parameter on the core side is MaxConstructedAttributeNumber which is indeed set to 1000 by default since v11