build(deps): update scikit-learn requirement

Updates the requirements on [scikit-learn](https://github.com/scikit-learn/scikit-learn) to permit the latest version.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.6.1...1.8.0)

---
updated-dependencies:
- dependency-name: scikit-learn
  dependency-version: 1.8.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -15,7 +15,7 @@ dependencies = [
   "pyliftover (>=0.4.1, <0.5.0)",
   "numpy>=2.3.0",
   "omegaconf (>=2.3.0, <2.4.0)",
-  "scikit-learn (>=1.6.1, <1.8.0)",
+  "scikit-learn (>=1.6.1, <1.9.0)",
   "pandas[gcp,parquet] (>=2.2.3, <2.4.0)",
   "skops (>=0.13.0, <0.14.0)",
   "shap>=0.50.0",