Bump scikit-learn from 0.20.0 to 1.5.0

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 0.20.0 to 1.5.0.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@0.20.0...1.5.0)

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

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

requirements.txt

@@ -3,7 +3,7 @@ matplotlib==3.0.0
 numpy==1.15.2
 pandas==0.23.4
 pyvolve==0.8.8
-scikit-learn==0.20.0
+scikit-learn==1.5.0
 seaborn==0.9.0
 treesap==1.0.8
 treeswift==1.0.97