Bump torch in /model_templates/python3_pytorch_multiclass

Bumps [torch](https://github.com/pytorch/pytorch) from 1.13.1 to 2.7.1.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v1.13.1...v2.7.1)

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.7.1
  dependency-type: direct:production
...

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

Author: dependabot[bot]

model_templates/python3_pytorch_multiclass/requirements.txt

@@ -1,3 +1,3 @@
-torch==1.13.1
+torch==2.7.1
 scikit-learn==1.0.2
 scipy>=1.1,<1.11