FIX: Improve GPU TreeExplainer parity (#4997)

* Fix GPUTreeExplainer missing value handling

* Broaden GPUTreeExplainer parity tests

* Fix XGBoost categorical guard

* Preserve XGBoost vector base scores

* Simplify GPU missing value test

* Remove duplicate GPU SHAP output helper

* Apply pre-commit formatting

fix Python Version of Tree SHAP notebook (#4289)

pin gpboost version (#4211)

* pin gpboost error

* update comment for gpboost

cache datasets in build wheels (#4180)

fix macos tests (#4178)

* fix macos tests

* update workflows

* try fix tests

* add datasets to cache

* try correct downloading of datasets for macos

* fix mypy in test/datasets_to_cache.py

* update pipeline to install correctly

* restore run_tests.yml

* update run_tests for windows

skip test_random_force_plot_mpl_text_rotation_with_data on MacOS and …

…refactor tests (#4109)

CI: update ubuntu version in build source distribution job (#4063)

Fix regression in summary violin plot (#4033)

Add support for GELU layer support for PyTorch DeepExplainer. (#4010)

MAINT: Bump GH action versions (#3718)

* Bump GH action versions

* Update to new syntax for multiple artifacts

* Update qemu and cibuildwheel action