Use 12.6 instead of deprecated 11.8 (#9117)

Author: NicolasHug

.github/workflows/build-cmake.yml

@@ -18,7 +18,7 @@ jobs:
             gpu-arch-type: cpu
           - runner: linux.g5.4xlarge.nvidia.gpu
             gpu-arch-type: cuda
-            gpu-arch-version: "11.8"
+            gpu-arch-version: "12.6"
       fail-fast: false
     uses: pytorch/test-infra/.github/workflows/linux_job_v2.yml@main
     permissions:
@@ -66,7 +66,7 @@ jobs:
             gpu-arch-type: cpu
           - runner: windows.g5.4xlarge.nvidia.gpu
             gpu-arch-type: cuda
-            gpu-arch-version: "11.8"
+            gpu-arch-version: "12.6"
       fail-fast: false
     uses: pytorch/test-infra/.github/workflows/windows_job.yml@main
     with:

.github/workflows/prototype-tests-linux-gpu.yml

@@ -21,7 +21,7 @@ jobs:
           - python-version: "3.9"
             runner: linux.g5.4xlarge.nvidia.gpu
             gpu-arch-type: cuda
-            gpu-arch-version: "11.8"
+            gpu-arch-version: "12.6"
       fail-fast: false
     uses: pytorch/test-infra/.github/workflows/linux_job_v2.yml@main
     permissions:

.github/workflows/tests.yml

@@ -24,7 +24,7 @@ jobs:
           - python-version: 3.9
             runner: linux.g5.4xlarge.nvidia.gpu
             gpu-arch-type: cuda
-            gpu-arch-version: "11.8"
+            gpu-arch-version: "12.6"
       fail-fast: false
     uses: pytorch/test-infra/.github/workflows/linux_job_v2.yml@main
     permissions: