add sm_100 and sm_120 to cuda 12.8 domain builds (#6273)

current torchvision/audio builds missing sm_100 and sm_120

adding to cu128 builds

`cuobjdump -ptx
/usr/local/lib/python3.12/dist-packages/torchvision/_C.so | grep "arch =
sm_" | sort --unique
arch = sm_50
arch = sm_60
arch = sm_70
arch = sm_75
arch = sm_80
arch = sm_86
arch = sm_90`

cc @atalman @ptrblck @nWEIdia

tools/pkg-helpers/pytorch_pkg_helpers/cuda.py

@@ -8,8 +8,11 @@
 
 
 def get_cuda_arch_list(sanitized_version: str) -> str:
+    base_arch_list = "5.0+PTX;6.0;7.0;7.5;8.0;8.6;9.0"
     if float(sanitized_version) >= 12.0:
-        return "5.0+PTX;6.0;7.0;7.5;8.0;8.6;9.0"
+        if sanitized_version == "12.8":
+            return base_arch_list + ";10.0;12.0"
+        return base_arch_list
     if float(sanitized_version) > 11.3:
         return "3.5;5.0+PTX;6.0;7.0;7.5;8.0;8.6"
     # mainly for cuda 10.2