use the scouting image to unblock the nuget flow.

Author: marcpopMSFT

.vsts-pr.yml

@@ -44,7 +44,7 @@ stages:
         name: $(DncEngPublicBuildPool)
         demands: ImageOverride -equals windows.vs2022.amd64.open
         os: windows
-      helixTargetQueue: windows.amd64.vs2022.pre.open
+      helixTargetQueue: windows.amd64.vs2022.pre.scout.open
 
   ############### LINUX ###############
   - template: /eng/pipelines/templates/jobs/sdk-job-matrix.yml