message: Update CHANGELOG for wasm extension change
diff: @@ -79,6 +79,8 @@ and this project adheres to
  - @cosmjs/stargate: `parseRawLog` is now nested under the `logs` export.
  - @cosmjs/stargate: `auth` and `bank` extensions now have unverified queries at
  the root and verified queries nested under `.verified`.
  +- @cosmjs/cosmwasm-stargate: `wasm` extension now has unverified queries at the
  + root.
  - @cosmjs/stargate: `StargateClient.getAccount` now uses an unverified query and
  `StargateClient.getAccountUnverified` has been removed.
  `StargateClient.getAccountVerified` has been added, which performs a verified
  