Update torch requirement from <=2.2.0 to <=2.8.0

Updates the requirements on [torch](https://github.com/pytorch/pytorch) to permit the latest version.
- [Release notes](https://github.com/pytorch/pytorch/releases)
- [Changelog](https://github.com/pytorch/pytorch/blob/main/RELEASE.md)
- [Commits](pytorch/pytorch@v0.1.1...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]

pyproject.toml

@@ -55,7 +55,7 @@ dependencies = [
     "torch<=2.2.0; sys.platform != 'linux'",
     "torchdata<=0.7.1; sys.platform != 'linux'",
     "dgl<=2.4.0; sys.platform == 'linux'",
-    "torch<=2.4.0; sys.platform == 'linux'",
+    "torch<=2.8.0; sys.platform == 'linux'",
     "torchdata<=0.8.0; sys.platform == 'linux'",
     "pymatgen",
     "lightning<=2.6.0.dev20250817",