Pin API check version

Pin the version of API Check

build/project.json

@@ -5,6 +5,6 @@
   "dependencies": {
       "Sake": "0.2.2",
       "NuGetPackageVerifier": "1.0.1-rc2-15120",
-      "Microsoft.AspNetCore.BuildTools.ApiCheck": "1.0.1-rc2-15120"
+      "Microsoft.AspNetCore.BuildTools.ApiCheck": "1.0.1-rc2-15122"
   }
-}
+}