build(deps): bump scikit-learn in /exercise/5-Clustering

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.2.2 to 1.5.0.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.2.2...1.5.0)

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

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

exercise/5-Clustering/requirements.txt

@@ -1,5 +1,5 @@
 pandas==2.2.2
-scikit-learn==1.2.2
+scikit-learn==1.5.0
 matplotlib==3.9.0
 seaborn==0.13.2