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](https://github.com/pytorch/pytorch/compare/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>

setup.py

@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 requirements = [
     "ruamel.yaml",
-    "torch==2.8.0",
+    "torch==2.12.0",
     "torchvision==0.5.0",
     "nemo_toolkit[asr] @ git+https://github.com/NVIDIA/NeMo.git@09e3ba4dfe333f86d6c5c1048e07210924294be9#egg=nemo_toolkit",
 ]