Bump torch from 2.7.1 to 2.8.0 in /pickle_scanning_benchmark

Bumps [torch](https://github.com/pytorch/pytorch) from 2.7.1 to 2.8.0.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v2.7.1...v2.8.0)

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.8.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pickle_scanning_benchmark/requirements.txt

@@ -4,4 +4,4 @@ model_unpickler==0.1
 modelscan==0.8.1
 picklescan==0.0.31
 Requests==2.32.4
-torch==2.7.1
+torch==2.8.0