Update dependency scikit-learn to v1.9.1

[renovate]

This PR contains the following updates:

Package	Update	Change
scikit-learn (source)	minor	1.7.2 → 1.9.1

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Release Notes

scikit-learn/scikit-learn (scikit-learn)

v1.9.1

Compare Source

v1.9.0

Compare Source

v1.8.0

Compare Source

We're happy to announce the 1.8.0 release.

You can read the release highlights under https://scikit-learn.org/stable/auto_examples/release_highlights/plot_release_highlights_1_8_0.html and the long version of the change log under https://scikit-learn.org/stable/whats_new/v1.8.html

This version supports Python versions 3.11 to 3.14 and features support of free-threaded CPython.

You can upgrade with pip as usual:

pip install -U scikit-learn

The conda-forge builds can be installed using:

conda install -c conda-forge scikit-learn

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