Merge pull request #37992 from Microsoft/jjh/poule

Poule: Add Windows RS5 rebuild

poule.yml

@@ -89,6 +89,11 @@
             configurations: [ windowsRS1 ],
             label:          "rebuild/windowsRS1",
         }
+      - type:       rebuild
+        settings: {
+            configurations: [ windowsRS5 ],
+            label:          "rebuild/windowsRS5-process",
+        }
       - type:       rebuild
         settings: {
             configurations: [ z ],