Bump scikit-learn in /training_pipeline/images/train

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 0.24.0 to 1.5.0.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@0.24.0...1.5.0)

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

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

training_pipeline/images/train/requirements.txt

@@ -1,4 +1,4 @@
-scikit-learn==0.24.0
+scikit-learn==1.5.0
 pandas==1.2.0
 transformers==4.30.0
 sagemaker==2.135.0