update most of the dependencies (#1946)

* update tiny-keccak to 0.2

* update deps except bitvec and shared_memory

* fix some warning after futures upgrade

* remove useless package rename caused by bug in cargo-upgrade

* revert parity-util-mem *

* remove unused import

* cargo update

* remove all renames on parity-scale-codec

* remove the leftovers

* remove unused dep

polkadot/runtime/parachains/src/scheduler.rs

@@ -45,7 +45,7 @@ use frame_support::{
 	decl_storage, decl_module, decl_error,
 	weights::Weight,
 };
-use codec::{Encode, Decode};
+use parity_scale_codec::{Encode, Decode};
 use sp_runtime::traits::{Saturating, Zero};
 
 use rand::{SeedableRng, seq::SliceRandom};