Move VSExtensibility back to the nuget.org version

Author: 333fred

eng/Directory.Packages.props

@@ -21,7 +21,7 @@
     <MicrosoftWindowsDesktopAppRuntimePackagesVersion>8.0.0</MicrosoftWindowsDesktopAppRuntimePackagesVersion>
     <xunitVersion>2.4.1</xunitVersion>
     <SqliteVersion>2.1.0</SqliteVersion>
-    <MicrosoftVisualStudioExtensibilityVersion>17.10.2083</MicrosoftVisualStudioExtensibilityVersion>
+    <MicrosoftVisualStudioExtensibilityVersion>17.10.2079</MicrosoftVisualStudioExtensibilityVersion>
   </PropertyGroup>
 
   <!--