Fix nightly (#545)

Fix nightly

Author: MarcoRossignoli

eng/azure-pipelines-nightly.yml

@@ -3,7 +3,7 @@ pool:
 steps:
 - task: UseDotNet@2
   inputs:
-    version: 2.2.300
+    version: 2.2.401
 - powershell:
     .\eng\nightly.ps1 -apiKey $env:APIKEY -source $env:SOURCE
   ignoreLASTEXITCODE: true