chore(deps): bump scikit-learn from 1.7.2 to 1.8.0

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.7.2 to 1.8.0.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](https://github.com/scikit-learn/scikit-learn/compare/1.7.2...1.8.0)

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

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

requirements-freqai.txt

@@ -3,7 +3,7 @@
 -r requirements-plot.txt
 
 # Required for freqai
-scikit-learn==1.7.2
+scikit-learn==1.8.0
 joblib==1.5.2
 lightgbm==4.6.0
 xgboost==3.1.2

requirements-hyperopt.txt

@@ -3,7 +3,7 @@
 
 # Required for hyperopt
 scipy==1.16.3
-scikit-learn==1.7.2
+scikit-learn==1.8.0
 filelock==3.20.1
 optuna==4.6.0
 cmaes==0.12.0