chore(deps): bump torch from 2.3.1+cxx11.abi to 2.8.0 in /backend/python/common/template (#6025)

chore(deps): bump torch in /backend/python/common/template

Bumps [torch](https://github.com/pytorch/pytorch) from 2.3.1+cxx11.abi to 2.8.0.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](https://github.com/pytorch/pytorch/commits/v2.8.0)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

backend/python/common/template/requirements-intel.txt

@@ -1,5 +1,5 @@
 --extra-index-url https://pytorch-extension.intel.com/release-whl/stable/xpu/us/
 intel-extension-for-pytorch==2.8.10+xpu
-torch==2.3.1+cxx11.abi
+torch==2.8.0
 oneccl_bind_pt==2.3.100+xpu
 optimum[openvino]