upgrade torch npu version (#4433)

vLLM graph feature now rely on torch >=2.8. To make graph mode work, we
need upgrade torch version as well. For long term support, upgrade torch
to a newer one is good to go as well.

Related vLLM change: https://github.com/vllm-project/vllm/pull/25110


- vLLM version: v0.11.2
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.2

requirements.txt

@@ -11,7 +11,7 @@ scipy
 pandas
 setuptools>=64
 setuptools-scm>=8
-torch==2.7.1
+torch==2.8.0
 torchvision
 wheel
 pandas-stubs
@@ -28,6 +28,6 @@ numba
 # Install torch_npu
 #--pre
 #--extra-index-url https://mirrors.huaweicloud.com/ascend/repos/pypi
-torch-npu==2.7.1
+torch-npu==2.8.0
 
 transformers<=4.57.1