ERC-8004 on Mainnet

[matevz]

ERC-8004 landed on Mainnet. Add the contract addresses, test the wrapper and Mainnet monitoring for this.

[matevz]

Validation registry seems to be removed from the Mainnet deployment. Posted a question to ethereum magicians https://ethereum-magicians.org/t/erc-8004-trustless-agents/25098/114.