message: Remove extra ` from CHANGELOG
diff: @@ -9,7 +9,7 @@ and this project adheres to
  ### Added
  - cosmwasm-std: Implement `Mul` and `MulAssign` for `Uint128`.
  -- cosmwasm-std: Implement `FromStr` for `Uint128`, `Uint256`, and `Uint512`.`
  +- cosmwasm-std: Implement `FromStr` for `Uint128`, `Uint256`, and `Uint512`.
  ### Changed
  