Install OpenSSH Server from the Win32-OpenSSH zip

Carry the zip for the host architecture in the seed ISO and add
06-Install-OpenSSH-Zip-Admin.bat, which installs from it instead of
Windows Update. Update vm-images.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

seediso/windows11/Configure-Windows.ps1

@@ -151,6 +151,12 @@ function Copy-InstallerScripts {
     $target = Join-Path ([Environment]::GetFolderPath('Desktop')) 'Installers'
     New-Item -ItemType Directory -Path $target -Force | Out-Null
     Copy-Item -Path $scripts.FullName -Destination $target -Force
+
+    # 05-Install-OpenSSH-Admin.bat installs from this zip when it is present.
+    $zips = @(Get-ChildItem -Path $PSScriptRoot -Filter 'OpenSSH-*.zip' -File)
+    if ($zips.Count -gt 0) {
+        Copy-Item -Path $zips.FullName -Destination $target -Force
+    }
 }
 
 $exitCode = 0