update aspnetcore version for results

Author: waghanza

FRAMEWORKS.yml

@@ -160,7 +160,7 @@ scala:
 csharp:
   aspnetcore:
     website: docs.microsoft.com/en-us/aspnet/index
-    version: "1.1"
+    version: "2.1"
 java:
   act:
     website: actframework.org