message: cosmwasm-stargate: Use DateTime to encode times
diff: @@ -30,6 +30,7 @@ import {
  adaptor34,
  broadcastTxCommitSuccess,
  Client as TendermintClient,
  + DateTime,
  QueryString,
  } from "@cosmjs/tendermint-rpc";
  import { assert } from "@cosmjs/utils";
  @@ -114,7 +115,7 @@ export class CosmWasmClient {
  },
  height: response.block.header.height,
  chainId: response.block.header.chainId,
  - time: response.block.header.time.toISOString(),
  + time: DateTime.encode(response.block.header.time),
  },
  txs: response.block.txs,
  };
  