Sign and pack Microsoft.Identity.Client.Desktop.WinUI3 (#5464)

update

Author: DharshanBJ

build/template-pack-and-sign-all-nugets.yaml

@@ -23,6 +23,13 @@ steps:
     ProjectRootPath: '$(Build.SourcesDirectory)\$(MsalSourceDir)src\client'
     AssemblyName: 'Microsoft.Identity.Client.Desktop'
 
+# Sign binary and pack Microsoft.Identity.Client.Desktop.WinUI3
+- template: template-pack-and-sign-nuget.yaml
+  parameters:
+    BuildConfiguration: ${{ parameters.BuildConfiguration }}
+    ProjectRootPath: '$(Build.SourcesDirectory)\$(MsalSourceDir)src\client'
+    AssemblyName: 'Microsoft.Identity.Client.Desktop.WinUI3'
+
  # Sign binary and pack Microsoft.Identity.Client.Broker
 - template: template-pack-and-sign-nuget.yaml
   parameters: