{Network} az network private-endpoint dns-zone-group add: --name should be required (#32303)

Author: necusjz

src/azure-cli/azure/cli/command_modules/network/custom.py

@@ -3868,7 +3868,6 @@ def _build_arguments_schema(cls, *args, **kwargs):
             )
         )
         args_schema.private_dns_zone_id._registered = False
-        args_schema.name._required = False
 
         return args_schema