Update global.json to use available .NET SDK version

Co-authored-by: arturcic <[email protected]>

Author: Copilot

global.json

@@ -5,6 +5,7 @@
     "src"
   ],
   "sdk": {
-    "version": "10.0.100"
+    "version": "9.0.306",
+    "rollForward": "latestFeature"
   }
 }