update

Author: huangmin-ms

azure-pipelines.yml

@@ -173,11 +173,12 @@ stages:
             }
           ]
 
-    - task: MSBuild@1
-      displayName: MSBuild
+    - task: DotNetCoreCLI@2
+      displayName: dotnet build
       inputs:
-        solution: '$(solution)'
-        configuration: '$(buildConfiguration)'
+        command: 'build'
+        projects: '$(solution)'
+        arguments: '-c $(BuildConfiguration)'
 
     - task: ArchiveFiles@2
       displayName: Archive mdoc Files