Move ARM64 Windows boxen to be Helix-provisioned (#20204)

diff --git a/netci.groovy b/netci.groovy
index 6d7e0aa..111141f 100755 (executable)
--- a/netci.groovy
+++ b/netci.groovy
@@ -762,7 +762,7 @@ def static setMachineAffinity(def job, def os, def architecture, def options = n
                 label('Windows.10.Amd64.ClientRS4.DevEx.Open')
             }
         } else {
-            Utilities.setMachineAffinity(job, os, 'arm64-windows_nt')
+            Utilities.setMachineAffinity(job, 'windows.10.arm64.open')
         }
     } else {
         assert os != 'Windows_NT'