v1.8.2

v1.8.2 is a regular maintenance release

1. Enhanced p2p network robustness by adding GroupID to DHT protocol in peer discovery (#3409,#3580)
2. Multiple API improvments and code refactor (#3303,#3432,#3433,#3434,#3441,#3442,#3443,#3485)
3. Remove the global config.EVMNetworkID() (#3431,#3437,#3460,#3491)
4. Use internal caching to speed up action.Address(), action.Hash(), and action.SenderAddress() (#3420,#3446)
5. Clean-up of certain obsolete code (#3453,#3463,#3464,#3465)