Add support for scikit-learn 1.8 #5478
Description
scikit-learn 1.8 introduces significant performance and stability improvements that directly benefit models and pipelines used inside AutoGluon. These changes make compatibility with 1.8 especially important to unlock faster training and better model quality.
Could you prioritize updating the dependency constraints to support scikit-learn 1.8?
Changelog: https://scikit-learn.org/stable/whats_new/v1.8.html