Bump scikit-learn from 1.3.0 to 1.5.0 in /backend

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.3.0 to 1.5.0.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.3.0...1.5.0)

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

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

backend/requirements.txt

@@ -325,7 +325,7 @@ rpds-py==0.18.0
     #   referencing
 sbvirtualdisplay==1.2.0
     # via seleniumbase
-scikit-learn==1.3.0
+scikit-learn==1.5.0
     # via -r requirements.in
 scipy==1.10.1
     # via