Bump scikit-learn from 1.6.0 to 1.6.1

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.6.0 to 1.6.1.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.6.0...1.6.1)

---
updated-dependencies:
- dependency-name: scikit-learn
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

pyproject.toml

@@ -52,7 +52,7 @@ dependencies = [
     "pykalman==0.9.7",
     "PyPortfolioOpt==1.5.6",
     "quantstats-lumi==0.3.3",
-    "scikit-learn==1.6.0",
+    "scikit-learn==1.6.1",
     "scipy==1.15.0",
     "sdepy==1.2.0",
     "seaborn==0.13.2",