Bump torch from 2.8.0 to 2.12.0

Bumps [torch](https://github.com/pytorch/pytorch) from 2.8.0 to 2.12.0.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v2.8.0...v2.12.0)

---
updated-dependencies:
- dependency-name: torch
  dependency-version: 2.12.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 pytorch_lightning==2.5.5
 setuptools==80.9.0
-torch==2.8.0
+torch==2.12.0
 nngeometry==0.3.2
 psutil==7.1.3
 opacus==1.5.4