Update azure-pipelines.yml for Azure Pipelines

Author: JDCain

azure-pipelines.yml

@@ -68,9 +68,9 @@ stages:
             artifactName: drop
             itemPattern: '**/*.nupkg'
             downloadPath: '$(System.ArtifactsDirectory)'
-      - task: DotNetCoreCLI@2
+      - task: NuGetCommand@2
         inputs:
           command: 'push'
-          packagesToPush: '$(System.ArtifactsDirectory)/drop/*.nupkg'
+          packagesToPush: '$(System.ArtifactsDirectory)/**/*.nupkg;!$(System.ArtifactsDirectory)/**/*.symbols.nupkg'
           nuGetFeedType: 'external'
           publishFeedCredentials: 'nuget.org'