Add includePreviewVersions

Author: manandre

azure-pipelines.yml

@@ -38,6 +38,7 @@ jobs:
       displayName: 'Use dotnet sdk 5.x'
       inputs:
         version: 5.x
+        includePreviewVersions: true
 
     - task: GitVersion@5
       inputs:
@@ -188,6 +189,7 @@ jobs:
         displayName: 'Use dotnet sdk 5.x'
         inputs:
           version: 5.x
+          includePreviewVersions: true
 
       # First restore to resolve external dependencies
       - task: DotNetCoreCLI@2