Bump scikit-learn in /numerai/examples/signals-python3

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 0.24.0 to 1.0.1.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@0.24.0...1.0.1)

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

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

numerai/examples/signals-python3/requirements.txt

@@ -3,6 +3,6 @@ numpy==1.21.0
 pandas==1.2.0
 pyarrow==7.0.0
 python-dateutil==2.8.1
-scikit-learn==0.24.0
+scikit-learn==1.0.1
 joblib==1.2.0
 git+http://github.com/leonhma/yfinance.git@master#egg=yfinance