Neo-cli V3.7.4 mainnet upgrade will be executed on May 24

According to official sources, neo-cli V3.7.4 update was applied to the T5 test network on May 17th and will be executed on the main network on May 24th. This version upgrades the secp256k1 signature verification in CryptoLib native contracts, supports custom witness verification based on Keccak256, supports Lambda and Linq in devpack, adds multiple Neo contract examples in devpack, and supports calling application logs through command line in neo-cli.