[MNT] Update scikit-learn requirement in the python-packages group

Updates the requirements on [scikit-learn](https://github.com/scikit-learn/scikit-learn) to permit the latest version.

Updates `scikit-learn` to 1.6.0
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.0...1.6.0)

---
updated-dependencies:
- dependency-name: scikit-learn
  dependency-type: direct:production
  dependency-group: python-packages
...

Signed-off-by: dependabot[bot] <[email protected]>

pyproject.toml

@@ -50,7 +50,7 @@ dependencies = [
     "numpy>=1.21.0,<2.1.0",
     "packaging>=20.0",
     "pandas>=2.0.0,<2.3.0",
-    "scikit-learn>=1.0.0,<1.6.0",
+    "scikit-learn>=1.0.0,<1.7.0",
     "scipy>=1.9.0,<1.15.0",
     "typing-extensions>=4.6.0",
 ]