Bump scikit-learn from 1.5.2 to 1.6.0

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.5.2 to 1.6.0.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.5.2...1.6.0)

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

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

requirements.txt

@@ -11,7 +11,7 @@ progressbar2==4.5.0
 pytorch-ignite==0.5.1
 pytorch-pfn-extras==0.8.1
 scikit-image==0.24.0
-scikit-learn==1.5.2
+scikit-learn==1.6.0
 scipy==1.14.1
 tensorboardX==2.6.2.2
 torch==2.5.1