Add deployedBytecode to contract-artifacts

[xianny]

In #2108 we added the ability to use a local EVM to execute pure Solidity functions in @0x/abi-gen-wrappers, e.g. in DevUtilsContract, ExchangeContract, etc.

However, it's dependent on an eth call to eth_getCode.

We would like to use pure methods in DevUtilsContract to replace @0x/order-utils. At the moment, using DevUtilsContract introduces a dependency on RPC calls, ganache tooling (in tests), whereas @0x/order-utils only uses local typescript code.

Adding deployedBytecode to @0x/contract-artifacts will enable devs to execute the pure Solidity functions without any external calls.

[fabioberger]

@xianny isn't another part of this issue actually using the deployedBytecode or do we have a separate issue for that?

[xianny]

Yup! There's a separate PR to use the deployed bytecode and it's merged here: #2198