message: tendermint-rpc: Update block version type
diff: @@ -271,13 +271,13 @@ function decodeBlockId(data: RpcBlockId): responses.BlockId {
  interface RpcBlockVersion {
  readonly block: IntegerString;
  - readonly app: IntegerString;
  + readonly app?: IntegerString;
  }
  function decodeBlockVersion(data: RpcBlockVersion): responses.Version {
  return {
  block: Integer.parse(data.block),
  - app: Integer.parse(data.app),
  + app: Integer.parse(data.app ?? 0),
  };
  }
  