Update hashdump.py

calling `<reg_key>.Name` returns array, changed to `<reg_key>.get_name()` which returns a string (the if statement in the code didn't work before this change)

Author: JakePeralta7

volatility3/framework/plugins/windows/registry/hashdump.py

@@ -350,7 +350,7 @@ def get_user_keys(
 
         if not user_key:
             return []
-        return [k for k in user_key.get_subkeys() if k.Name != "Names"]
+        return [k for k in user_key.get_subkeys() if k.get_name() != "Names"]
 
     @classmethod
     def get_bootkey(cls, syshive: registry_layer.RegistryHive) -> Optional[bytes]: