message: Add comment to vote field
diff: @@ -208,7 +208,14 @@ pub enum WasmMsg {
  #[serde(rename_all = "snake_case")]
  pub enum GovMsg {
  /// This maps directly to [MsgVote](https://github.com/cosmos/cosmos-sdk/blob/v0.42.5/proto/cosmos/gov/v1beta1/tx.proto#L46-L56) in the Cosmos SDK with voter set to the contract address.
  - Vote { proposal_id: u64, vote: VoteOption },
  + Vote {
  + proposal_id: u64,
  + /// The vote option.
  + ///
  + /// This should be called "option" for consistency with Cosmos SDK. Sorry for that.
  + /// See <https://github.com/CosmWasm/cosmwasm/issues/1571>.
  + vote: VoteOption,
  + },
  /// This maps directly to [MsgVoteWeighted](https://github.com/cosmos/cosmos-sdk/blob/v0.45.8/proto/cosmos/gov/v1beta1/tx.proto#L66-L78) in the Cosmos SDK with voter set to the contract address.
  #[cfg(feature = "cosmwasm_1_2")]
  VoteWeighted {
  