adding windowsSdk 22000 build

Author: Satwik Kumar Sharma

.pipelines/winui3-ci.yml

@@ -32,6 +32,16 @@ steps:
     script: |
       choco install windows-sdk-10-version-1809-all
 
+      $winget = (Get-Command winget -ErrorAction SilentlyContinue)
+      if (-not $winget) {
+        Write-Host 'winget not found. Installing App Installer (DesktopAppInstaller) silently...'
+        
+        Invoke-WebRequest -Uri "https://aka.ms/getwinget" -OutFile "$env:Temp\AppInstaller.msixbundle"
+        Add-AppxPackage -Path "$env:Temp\AppInstaller.msixbundle"
+      }
+      
+      winget install --id Microsoft.WindowsSDK.10.0.22000 -e --silent --accept-package-agreements --accept-source-agreements
+
 - task: UseDotNet@2
   displayName: 'Use .NET Core sdk 8.x'
   inputs: