The Sui mainnet has been upgraded to version V1.8.1

ChainCatcher message, the Sui mainnet has been upgraded to version V1.8.1. This upgrade includes the addition of a configuration feature flag for the zkLogin protocol for testing in the development network, and the use of updated proof verification logic for zkLogin signature verification; when building Move code, the updated version will generate additional linter warnings related to collection comparisons in the Sui framework code (Bag, Table, and TableVec); the specification of error codes has been updated to support a clearer error reporting structure, etc.