message: Add CHANGELOG entry for instantiate2_address
diff: @@ -12,9 +12,12 @@ and this project adheres to
  the `cosmwasm_1_2` feature needs to be enabled for the `cosmwasm_std`
  dependency. This makes the contract incompatible with chains running versions
  of CosmWasm earlier than 1.2.0 ([#1481]).
  +- cosmwasm-std: Add `instantiate2_address` which allows calculating the
  + predictable addresses for `MsgInstantiateContract2` ([#1437]).
  - cosmwasm-schema: In contracts, `cosmwasm schema` will now output a separate
  JSON Schema file for each entrypoint in the `raw` subdirectory.
  +[#1437]: https://github.com/CosmWasm/cosmwasm/issues/1437
  [#1481]: https://github.com/CosmWasm/cosmwasm/pull/1481
  ### Changed
  