Update scikit-learn requirement

Updates the requirements on [scikit-learn](https://github.com/scikit-learn/scikit-learn) to permit the latest version.

Updates `scikit-learn` to 1.4.2
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](https://github.com/scikit-learn/scikit-learn/compare/0.24.2...1.4.2)

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

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/learning/requirements.txt b/learning/requirements.txt
index 8d02422..5e3baf4 100644
--- a/learning/requirements.txt
+++ b/learning/requirements.txt
@@ -3,5 +3,5 @@
 
 absl-py~=1.0
 numpy~=1.21
-scikit-learn~=0.24.2
+scikit-learn~=1.4.2
 scipy~=1.7