Release pipeline updates for 1ES (#63)

.vsts-ci/azure-pipelines-release.yml

@@ -25,14 +25,14 @@ stages:
     - powershell: |
         $powerShellPath = Join-Path -Path $env:AGENT_TEMPDIRECTORY -ChildPath 'powershell'
         Invoke-WebRequest -Uri https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/install-powershell.ps1 -outfile ./install-powershell.ps1
-        ./install-powershell.ps1 -Destination $powerShellPath
+        ./install-powershell.ps1 -Preview -Destination $powerShellPath
         $vstsCommandString = "vso[task.setvariable variable=PATH]$powerShellPath;$env:PATH"
         Write-Host "sending " + $vstsCommandString
         Write-Host "##$vstsCommandString"
       displayName: Install PowerShell Core
 
     - task: NuGetToolInstaller@1
-      displayName: 'Install NuGet 5.9.1'
+      displayName: 'Install NuGet'
       inputs:
         checkLatest: false
         version: 5.9.1
@@ -113,7 +113,7 @@ stages:
         # the certificate ID to use
         certificateId: "CP-230012"
         # the file pattern to use, comma separated
-        pattern: '*.psm1,*.psd1'
+        pattern: '*.psm1,*.psd1,Microsoft.PowerShell.DscSubsystem.dll'
 
     - pwsh: |
         $repoName = [guid]::newGuid().ToString("N")
@@ -187,7 +187,7 @@ stages:
           - download: current
             artifact: 'nupkg'
           - task: NuGetToolInstaller@1
-            displayName: 'Install NuGet 5.9.1'
+            displayName: 'Install NuGet'
             inputs:
               checkLatest: false
               version: 5.9.1