Merge pull request #1464 from dotnet/dependabot/nuget/Rx.NET/Source/MSBuild.Sdk.Extras-3.0.23

Rx.NET/Source/global.json

@@ -3,6 +3,6 @@
     "version": "5.0.100-preview"
   },
   "msbuild-sdks": {
-    "MSBuild.Sdk.Extras": "3.0.22"
+    "MSBuild.Sdk.Extras": "3.0.23"
   }
 }