Use CPU machine for triton-cpu

Author: oulgen

.github/matrix.json

@@ -73,12 +73,12 @@
       "alias": "mi325x"
     },
     {
-      "runner": "linux.g5.4xlarge.nvidia.gpu",
+      "runner": "linux.24xl.spr-metal",
       "python-version": "3.12",
       "ref-eager": false,
       "image": "nvidia/cuda:12.8.1-devel-ubuntu24.04",
       "runtime-version": "cpu",
-      "container-options": "--gpus all",
+      "container-options": "--ipc=host",
       "pytorch-version": "pytorch-nightly",
       "alias": "cpu"
     }