Bump scikit-learn from 1.1.2 to 1.5.0 in /tests

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.1.2 to 1.5.0.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.1.2...1.5.0)

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

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

tests/requirements.txt

@@ -2,7 +2,7 @@ pandas==1.4.2
 gensim==4.3.1
 matplotlib==3.5.1
 nltk==3.7
-scikit-learn==1.1.2
+scikit-learn==1.5.0
 scipy==1.10.0
 tqdm==4.64.0
 PyYAML==6.0