impl Zero and One for fixed point numbers (#8647)

* impl Zero and One for fixed point numbers

* update librocksdb-sys to support M1

* fix build

* trigger CI

substrate/frame/transaction-payment/src/lib.rs

@@ -615,7 +615,7 @@ mod tests {
 	use sp_core::H256;
 	use sp_runtime::{
 		testing::{Header, TestXt},
-		traits::{BlakeTwo256, IdentityLookup},
+		traits::{BlakeTwo256, IdentityLookup, One},
 		transaction_validity::InvalidTransaction,
 		Perbill,
 	};