Prop 488: Accept AxelarServiceGovernance ownership of ITS and Amplifier Gateways

AxelarServiceGovernance acceptOwnership() for InterchainTokenService on all 21 chains and AxelarAmplifierGateway on hedera, hyperliquid, monad, xrpl-evm. Timelock (ScheduleTimelock) proposals; eta=0 applies each ASG minimum time delay.