Change BlockHashCount Parameter in Node/Node Template (#5990)

* change BlockHashCount param

* fix test and lock

substrate/bin/node/executor/tests/submit_transaction.rs

@@ -233,7 +233,7 @@ fn submitted_transaction_should_be_valid() {
 			priority: 1_410_710_000_000,
 			requires: vec![],
 			provides: vec![(address, 0).encode()],
-			longevity: 128,
+			longevity: 2048,
 			propagate: true,
 		});
 	});