Ship release/dev17.9 to VS main until VS snap (#9633)

Author: RikkiGibson

eng/config/PublishData.json

@@ -51,7 +51,7 @@
         "Shipping",
         "NonShipping"
       ],
-      "vsBranch": "rel/d17.9",
+      "vsBranch": "main",
       "vsMajorVersion": 17,
       "insertionTitlePrefix": "[17.9P2]"
     }