Update AMD runner

Author: Wenlei Bao

.github/workflows/ci.yml

@@ -16,11 +16,11 @@ jobs:
     timeout-minutes: 60
     strategy:
       matrix:
-        runner: "amd-gfx942"
+        runner: "amd-gfx942-mi300"
         include:
           # - image: "rocm/rocm-6.4-py310-torch25-241101-3"
           - image: "rocm/pytorch:rocm6.1_ubuntu22.04_py3.10_pytorch_2.4"
-            runner: ["amd-gfx942"]
+            runner: ["amd-gfx942-mi300"]
     env:
       PYTHON: "python3"