Bump torch from 2.8.0 to 2.9.0

Bumps [torch](https://github.com/pytorch/pytorch) from 2.8.0 to 2.9.0.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v2.8.0...v2.9.0)

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements_test.txt

@@ -28,7 +28,7 @@ tensorflow==2.20.0
 keras==3.11.3
 
 # PyTorch
-torch==2.8.0
+torch==2.9.0
 torchaudio==2.8.0
 torchvision==0.23.0