Register Unicycle function: Unicycle: Set Cycle Drain Alerts

Registers the Unicycle "Unicycle: Set Cycle Drain Alerts" custom function on this SNS so it can be invoked by proposal.

Proposal to add new NervousSystemFunction:

Function:

NervousSystemFunction { id: 4009, name: "Unicycle: Set Cycle Drain Alerts", description: Some( "Configure cycle-drain alert proposals (per-window % thresholds; 0 disables a check; cooldown in days).", ), function_type: Some( GenericNervousSystemFunction( GenericNervousSystemFunction { target_canister_id: Some( 2ccdl-vaaaa-aaaan-q6h5a-cai, ), target_method_name: Some( "snsSetDrainAlertConfig", ), validator_canister_id: Some( 2ccdl-vaaaa-aaaan-q6h5a-cai, ), validator_method_name: Some( "snsSetDrainAlertConfigValidate", ), topic: Some( ApplicationBusinessLogic, ), }, ), ), }