For chainlink oracle, use latestRoundData instead of latestAnswer to run more validations

Handle adelamo Vulnerability details Impact I would recommend using latestRoundData instead of latestAnswer. This way we can run extra validations and makes sure that the data is okay. roundId, rawPrice, , updateTime, answeredInRound = AggregatorV3InterfaceXXXX.latestRoundData; requirerawPrice 0,...