Merge pull request #1 from kvcache-ai/release/torch291-v061-20260429

Pin accelerate-kt torch 2.9.1 dependency.

Author: JimmyPeilinLi

setup.py

@@ -82,7 +82,7 @@
         "packaging>=20.0",
         "psutil",
         "pyyaml",
-        "torch>=2.10,<2.12",
+        "torch==2.9.1",
         "huggingface_hub>=0.21.0",
         "safetensors>=0.4.3",
     ],