Prop 492: Rotate mainnet Amplifier CosmWasm contract admin to multisig

Rotate the contract admin (upgrade authority) of the mainnet Axelar Amplifier CosmWasm contracts to the multisig axelar14vps3ev03zyp2wmj89etx8rrxdxyltfy4rzl5m. Affected contracts (35 in total): AxelarnetGateway, Coordinator, Gateway, InterchainTokenService, Multisig, MultisigProver, NexusGateway, Rewards, Router, ServiceRegistry, VotingVerifier.