Updated the sdk version

Author: timayabi2020

azure-pipelines/update-template.yml

@@ -9,7 +9,7 @@ steps:
     pwsh: true
     script: |
         $modules = Get-Module -Name Microsoft.Graph -ListAvailable
-        if ($modules.Count -gt 0 -and $modules[0].Version -eq "1.20.0") {
+        if ($modules.Count -gt 0 -and $modules[0].Version -eq "1.21.0") {
           echo "Latest version already installed"
         }else {
           echo "Installing latest version"