Try out the nvme 1es managed images (#402)

* Update prepare-matrix.ps1

* use the pool with the nvme-enabled 1es managed image

.github/workflows/prepare-matrix.ps1

@@ -30,6 +30,9 @@ foreach ($entry in $MatrixJson) {
                 $Windows2022Pool = "netperf-f-series-windows-2022"
                 $Ubuntu2004Pool = "netperf-f-series-ubuntu-20.04"
             }
+            if ($entry.preferred_pool_sku -eq "Experimental_Boost4_With_Testsigning") {
+                $Windows2022Pool = "netperf-actual-boosted-winprerelease"
+            }
         }
 
         $env_str = [guid]::NewGuid().ToString()

.github/workflows/quic_matrix.json

@@ -1,7 +1,7 @@
 [
     { "env": "azure", "os": "windows-2022", "arch": "x64", "tls": "schannel", "io": "iocp", "preferred_pool_sku": "Experimental_Boost4" },
     { "env": "azure", "os": "windows-2022", "arch": "x64", "tls": "schannel", "io": "xdp", "preferred_pool_sku": "Experimental_Boost4" },
-    { "env": "azure", "os": "windows-2022", "arch": "x64", "tls": "schannel", "io": "wsk", "preferred_pool_sku": "Standard_F8s_v2", "in_staging_mode": "Due to lack of vCPU capacity for f-series VMs" },
+    { "env": "azure", "os": "windows-2022", "arch": "x64", "tls": "schannel", "io": "wsk", "preferred_pool_sku": "Experimental_Boost4_With_Testsigning" },
     { "env": "azure", "os": "ubuntu-20.04", "arch": "x64", "tls": "openssl",  "io": "epoll", "preferred_pool_sku": "Experimental_Boost4" },
     { "env": "azure", "os": "windows-2025", "arch": "x64", "tls": "schannel", "io": "iocp", "preferred_pool_sku": "Standard_F8s_v2", "in_staging_mode": "Due to lack of vCPU capacity for f-series VMs" },
     { "env": "azure", "os": "windows-2025", "arch": "x64", "tls": "schannel", "io": "xdp", "preferred_pool_sku": "Standard_F8s_v2", "in_staging_mode": "Due to lack of vCPU capacity for f-series VMs" },