Prop 183: Activate 7-day timelock for Axelar Gateway Governance

This proposal activates a 7-day timelock on the decentralized Interchain governance module for any governance actions, such as EVM gateway upgrades. The Interchain Governance module can be found at https://etherscan.io/address/0xfdf36a30070ea0241d69052ea85ff44ad0476a66#code on all EVM chains.

Community Post: https://community.axelar.network/t/rfc-decentralized-gateways-governance/2437