Bump scikit-learn from 1.4.2 to 1.5.1

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.4.2 to 1.5.1.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.4.2...1.5.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,4 +1,4 @@
-scikit-learn==1.4.2
+scikit-learn==1.5.1
 imbalanced-learn==0.12.3
 pandas==2.2.2
 nltk~=3.8.1