Update CHANGELOG.md

Signed-off-by: yihuang <huang@crypto.com>

Author: yihuang

CHANGELOG.md

@@ -45,7 +45,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (rpc) [#439](https://github.com/crypto-org-chain/ethermint/pull/439), [#441](https://github.com/crypto-org-chain/ethermint/pull/441) Align trace response for failed tx with go-ethereum.
 * (statedb) [#446](https://github.com/crypto-org-chain/ethermint/pull/446) Re-use the cache store implementation with sdk.
 * (evm) [#447](https://github.com/crypto-org-chain/ethermint/pull/447) Deduct fee through virtual bank transfer.
-* (evm) [#]() Refactor transient stores to be compatible with parallel tx execution.
+* (evm) [#450](https://github.com/crypto-org-chain/ethermint/pull/450) Refactor transient stores to be compatible with parallel tx execution.
 
 ### State Machine Breaking