Enable TLS 1.2 for Nuget download

Added fix for older Windows Servers

Task_scripts/Win - PerformWindowsUpdate.ps1

@@ -37,6 +37,9 @@ param(
     [switch]$Reboot
 )
 
+# Enable TLS 1.2 needed for older windows server version
+[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;
+
 # Ensure NuGet provider is available (with -Force to avoid prompts)
 $nugetProvider = Get-PackageProvider -Name NuGet -ListAvailable -ErrorAction SilentlyContinue