Mark listStandardTemplates as AnyTenant

Update the Invoke-listStandardTemplates function comment to include 'AnyTenant' in the .FUNCTIONALITY tag. This documents that the entrypoint can operate in an any-tenant context; no runtime logic was changed.

Author: JohnDuprey

Modules/CIPPCore/Public/Entrypoints/HTTP Functions/Tenant/Standards/Invoke-listStandardTemplates.ps1

@@ -1,7 +1,7 @@
 function Invoke-listStandardTemplates {
     <#
     .FUNCTIONALITY
-        Entrypoint
+        Entrypoint,AnyTenant
     .ROLE
         Tenant.Standards.Read
     #>