update evm trace schema definition

[tmcgroul]

EvmTraceCreateResult.address can be optional if creation wasn't successful.

{
    "debugFrame_": {
        "result": {
            "from": "0x967d458697fb512394740a37d39c3a1ca90b1a30",
            "gas": "0xd34cc",
            "gasUsed": "0xf4240",
            "input": "0x...",
            "error": "contract creation code storage out of gas",
            "value": "0x0",
            "type": "CREATE"
        }
    }
}