FIX: NuGet.Config - Add missing allowUntrustedRoot attribute to certificate element

Author: MPCoreDeveloper

NuGet.Config

@@ -22,7 +22,7 @@
   <!-- Trust settings for feeds -->
   <trustedSigners>
     <author name="Microsoft">
-      <certificate fingerprint="0E5F38F57606B652F25B13BF63D56AC13127D08C" hashAlgorithm="SHA256" />
+      <certificate fingerprint="0E5F38F57606B652F25B13BF63D56AC13127D08C" hashAlgorithm="SHA256" allowUntrustedRoot="false" />
     </author>
   </trustedSigners>
 </configuration>