message: Fix changelog so not modify old entries
diff: @@ -6,9 +6,21 @@ and this project adheres to
  ## [Unreleased]
  +### Added
  +
  +- cosmwasm-std: Implement `MulAssign` for `Decimal`/`Decimal256`.
  +- cosmwasm-std: Implement `is_zero`/`atomics`/`decimal_places` as const for Uint
  + and Decimal types.
  +- cosmwasm-std: Implement `new` and `raw` const constructors for
  + `Decimal`/`Decimal256`.
  +
  ### Changed
  - all: Drop support for Rust versions lower than 1.56.1.
  +- cosmwasm-std: `MockQuerier` now supports adding custom behaviour for handling
  + Wasm queries via `MockQuerier::update_wasm` ([#1050]).
  +
  +[#1050]: https://github.com/CosmWasm/cosmwasm/pull/1050
  ## [1.0.0-beta7] - 2022-03-22
  @@ -22,20 +34,11 @@ and this project adheres to
  `Uint64`/`Uint128`/`Uint256`/`Uint512`.
  - cosmwasm-std: Implement `pow`/`checked_pow` for `Uint64`/`Uint128`/`Uint512`.
  - cosmwasm-std: Implement `SubAssign`/`AddAssign` for `Decimal`/`Decimal256`.
  -- cosmwasm-std: Implement `MulAssign` for `Decimal`/`Decimal256`.
  -- cosmwasm-std: Implement `is_zero`/`atomics`/`decimal_places` as const for Uint
  - and Decimal types.
  -- cosmwasm-std: Implement `new` and `raw` const constructors for
  - `Decimal`/`Decimal256`.
  - cosmwasm-crypto: Upgrade ed25519-zebra to version 3.
  ### Changed
  - cosmwasm-vm: Upgrade Wasmer to 2.2.1.
  -- cosmwasm-std: `MockQuerier` now supports adding custom behaviour for handling
  - Wasm queries via `MockQuerier::update_wasm` ([#1050]).
  -
  -[#1050]: https://github.com/CosmWasm/cosmwasm/pull/1050
  ## [1.0.0-beta6] - 2022-03-07
  