Run the Linux tests on OSDC runners

.github/workflows/tests.yml

@@ -13,20 +13,24 @@ jobs:
       matrix:
         python-version:
           - "3.11"
-        runner: ["linux.12xlarge"]
+        runner: ["mt-l-x86iavx512-48-384"]
         gpu-arch-type: ["cpu"]
         include:
           - python-version: 3.13
-            runner: linux.g5.4xlarge.nvidia.gpu
+            runner: mt-l-x86aavx2-11-41-a10g
             gpu-arch-type: cuda
-            gpu-arch-version: "12.9"
+            gpu-arch-version: "13.2"
       fail-fast: false
-    uses: pytorch/test-infra/.github/workflows/linux_job_v2.yml@main
+    uses: pytorch/test-infra/.github/workflows/linux_job_v3.yml@main
     permissions:
       id-token: write
       contents: read
     with:
       repository: pytorch/extension-cpp
+      # linux_job_v3 defaults this to refs/heads/main, which this repo does not
+      # have -- its default branch is master -- so the checkout dies with
+      # "fatal: couldn't find remote ref refs/heads/main".
+      additional-fetch-refs: ""
       runner: ${{ matrix.runner }}
       gpu-arch-type: ${{ matrix.gpu-arch-type }}
       gpu-arch-version: ${{ matrix.gpu-arch-version }}