added back utility pallet to benchmarks

Author: lorismoulin

runtime/src/lib.rs

@@ -1761,6 +1761,7 @@ mod benches {
         [pallet_subtensor_swap, Swap]
         [pallet_shield, MevShield]
         [pallet_subtensor_proxy, Proxy]
+        [pallet_subtensor_utility, Utility]
     );
 }