[CONSTITUTIONAL] AIP: ArbOS Version 40 Callisto

[ocandocrypto]

As in @web3citizenxyz representation. Voting FOR. Below the rationale:

Web3 Citizen Delegate Communication Thread

Snapshot: Arbitrum OS Callisto We are voting FOR this proposal We are in favor of the proposed upgrade to support Pectra. We are relying on the provided explanations for including or excluding EIPs, though we did seek clarity on potential issues regarding calldata cost differentials. Based on our understanding, we see no reason not to support this proposal.