[ci] Move sm86 from trunk to pull (#93085)

Experiment on capacity
Pull Request resolved: https://github.com/pytorch/pytorch/pull/93085
Approved by: https://github.com/malfet, https://github.com/huydhn, https://github.com/ZainRizvi
diff --git a/.github/workflows/pull.yml b/.github/workflows/pull.yml
index 2ef204f..2996436 100644
--- a/.github/workflows/pull.yml
+++ b/.github/workflows/pull.yml
@@ -333,3 +333,30 @@
           { config: "default", shard: 1, num_shards: 2, runner: "linux.rocm.gpu" },
           { config: "default", shard: 2, num_shards: 2, runner: "linux.rocm.gpu" },
         ]}
+
+  linux-bionic-cuda11_6-py3_10-gcc7-sm86-build:
+    name: linux-bionic-cuda11.6-py3.10-gcc7-sm86
+    uses: ./.github/workflows/_linux-build.yml
+    with:
+      build-environment: linux-bionic-cuda11.6-py3.10-gcc7-sm86
+      docker-image-name: pytorch-linux-bionic-cuda11.6-cudnn8-py3-gcc7
+      cuda-arch-list: 8.6
+      test-matrix: |
+        { include: [
+          { config: "default", shard: 1, num_shards: 4, runner: "linux.g5.4xlarge.nvidia.gpu" },
+          { config: "default", shard: 2, num_shards: 4, runner: "linux.g5.4xlarge.nvidia.gpu" },
+          { config: "default", shard: 3, num_shards: 4, runner: "linux.g5.4xlarge.nvidia.gpu" },
+          { config: "default", shard: 4, num_shards: 4, runner: "linux.g5.4xlarge.nvidia.gpu" },
+          { config: "slow", shard: 1, num_shards: 2, runner: "linux.g5.4xlarge.nvidia.gpu" },
+          { config: "slow", shard: 2, num_shards: 2, runner: "linux.g5.4xlarge.nvidia.gpu" },
+          { config: "functorch", shard: 1, num_shards: 1, runner: "linux.g5.4xlarge.nvidia.gpu" },
+        ]}
+
+  linux-bionic-cuda11_6-py3_10-gcc7-sm86-test:
+    name: linux-bionic-cuda11.6-py3.10-gcc7-sm86
+    uses: ./.github/workflows/_linux-test.yml
+    needs: linux-bionic-cuda11_6-py3_10-gcc7-sm86-build
+    with:
+      build-environment: linux-bionic-cuda11.6-py3.10-gcc7-sm86
+      docker-image: ${{ needs.linux-bionic-cuda11_6-py3_10-gcc7-sm86-build.outputs.docker-image }}
+      test-matrix: ${{ needs.linux-bionic-cuda11_6-py3_10-gcc7-sm86-build.outputs.test-matrix }}
diff --git a/.github/workflows/trunk.yml b/.github/workflows/trunk.yml
index 6e2b7d1..518afdd 100644
--- a/.github/workflows/trunk.yml
+++ b/.github/workflows/trunk.yml
@@ -86,33 +86,6 @@
       docker-image: ${{ needs.linux-bionic-cuda11_8-py3_10-gcc7-build.outputs.docker-image }}
       test-matrix: ${{ needs.linux-bionic-cuda11_8-py3_10-gcc7-build.outputs.test-matrix }}
 
-  linux-bionic-cuda11_6-py3_10-gcc7-sm86-build:
-    name: linux-bionic-cuda11.6-py3.10-gcc7-sm86
-    uses: ./.github/workflows/_linux-build.yml
-    with:
-      build-environment: linux-bionic-cuda11.6-py3.10-gcc7-sm86
-      docker-image-name: pytorch-linux-bionic-cuda11.6-cudnn8-py3-gcc7
-      cuda-arch-list: 8.6
-      test-matrix: |
-        { include: [
-          { config: "default", shard: 1, num_shards: 4, runner: "linux.g5.4xlarge.nvidia.gpu" },
-          { config: "default", shard: 2, num_shards: 4, runner: "linux.g5.4xlarge.nvidia.gpu" },
-          { config: "default", shard: 3, num_shards: 4, runner: "linux.g5.4xlarge.nvidia.gpu" },
-          { config: "default", shard: 4, num_shards: 4, runner: "linux.g5.4xlarge.nvidia.gpu" },
-          { config: "slow", shard: 1, num_shards: 2, runner: "linux.g5.4xlarge.nvidia.gpu" },
-          { config: "slow", shard: 2, num_shards: 2, runner: "linux.g5.4xlarge.nvidia.gpu" },
-          { config: "functorch", shard: 1, num_shards: 1, runner: "linux.g5.4xlarge.nvidia.gpu" },
-        ]}
-
-  linux-bionic-cuda11_6-py3_10-gcc7-sm86-test:
-    name: linux-bionic-cuda11.6-py3.10-gcc7-sm86
-    uses: ./.github/workflows/_linux-test.yml
-    needs: linux-bionic-cuda11_6-py3_10-gcc7-sm86-build
-    with:
-      build-environment: linux-bionic-cuda11.6-py3.10-gcc7-sm86
-      docker-image: ${{ needs.linux-bionic-cuda11_6-py3_10-gcc7-sm86-build.outputs.docker-image }}
-      test-matrix: ${{ needs.linux-bionic-cuda11_6-py3_10-gcc7-sm86-build.outputs.test-matrix }}
-
   libtorch-linux-bionic-cuda11_6-py3_7-gcc7-build:
     name: libtorch-linux-bionic-cuda11.6-py3.7-gcc7
     uses: ./.github/workflows/_linux-build.yml