message: Make --supported-features configurable
diff: @@ -9,6 +9,8 @@ and this project adheres to
  ### Added
  - cosmwasm-std: New const methods `Uint64::to_be_bytes`/`::to_le_bytes`.
  +- cosmwasm-vm: The check_contracts tool now has a `--supported-features` option
  + that defaults to "iterator,staking,stargate".
  ### Changed
  