Bump scikit-learn from 1.5.1 to 1.5.2 in /docker/sklearn

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.5.1 to 1.5.2.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.5.1...1.5.2)

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

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