* TST enable test docstring params for feature extraction module (scikit-learn#20188)

* DOC fix a reference in sklearn.ensemble.GradientBoostingRegressor (scikit-learn#20198)

* FIX mcc zero divsion  (scikit-learn#19977)

* TST Add TransformedTargetRegressor to test_meta_estimators_delegate_data_validation (scikit-learn#20175)

Co-authored-by: Guillaume Lemaitre <[email protected]>

* TST enable n_feature_in_ test for feature_extraction module

* FIX Uses points instead of pixels in plot_tree (scikit-learn#20023)

* MNT n_features_in through the multiclass module (scikit-learn#20193)

* CI Removes python 3.6 builds from wheel building (scikit-learn#20184)

* FIX Fix typo in error message in `fetch_openml` (scikit-learn#20201)

* FIX Fix error when using Calibrated with Voting (scikit-learn#20087)

* FIX Fix RandomForestRegressor doesn't accept max_samples=1.0 (scikit-learn#20159)

Co-authored-by: Olivier Grisel <[email protected]>
Co-authored-by: Thomas J. Fan <[email protected]>

* ENH Adds Poisson criterion in RandomForestRegressor (scikit-learn#19836)

Co-authored-by: Christian Lorentzen <[email protected]>
Co-authored-by: Alihan Zihna <[email protected]>
Co-authored-by: Alihan Zihna <[email protected]>
Co-authored-by: Chiara Marmo <[email protected]>
Co-authored-by: Olivier Grisel <[email protected]>
Co-authored-by: naozin555 <[email protected]>
Co-authored-by: Venkatachalam N <[email protected]>
Co-authored-by: Thomas J. Fan <[email protected]>

* TST Replace assert_warns from decomposition/tests (scikit-learn#20214)

* TST check n_features_in_ in pipeline module (scikit-learn#20192)

Co-authored-by: Olivier Grisel <[email protected]>
Co-authored-by: Jérémie du Boisberranger <[email protected]>
Co-authored-by: Olivier Grisel <[email protected]>

* Allow `n_knots=None` if knots are explicitly specified in `SplineTransformer` (scikit-learn#20191)


Co-authored-by: Olivier Grisel <[email protected]>

* FIX make check_complex_data deterministic (scikit-learn#20221)

* TST test_fit_docstring_attributes include properties (scikit-learn#20190)

* FIX Uses the color max for colormap in ConfusionMatrixDisplay (scikit-learn#19784)

* STY Changing .format method to f-string formatting (scikit-learn#20215)

* CI Adds permissions for label action

Co-authored-by: Jérémie du Boisberranger <[email protected]>
Co-authored-by: tsuga <[email protected]>
Co-authored-by: Conner Shen <[email protected]>
Co-authored-by: Guillaume Lemaitre <[email protected]>
Co-authored-by: mlondschien <[email protected]>
Co-authored-by: Clément Fauchereau <[email protected]>
Co-authored-by: murata-yu <[email protected]>
Co-authored-by: Olivier Grisel <[email protected]>
Co-authored-by: Brian Sun <[email protected]>
Co-authored-by: Christian Lorentzen <[email protected]>
Co-authored-by: Alihan Zihna <[email protected]>
Co-authored-by: Alihan Zihna <[email protected]>
Co-authored-by: Chiara Marmo <[email protected]>
Co-authored-by: Olivier Grisel <[email protected]>
Co-authored-by: naozin555 <[email protected]>
Co-authored-by: Venkatachalam N <[email protected]>
Co-authored-by: Nanshan Li <[email protected]>
Co-authored-by: solosilence <[email protected]>