Add a function to transfer nICP

Add a function to transfer nICP from the governance canister.

This proposal was created using https://ic-toolkit.app

Proposal to add new NervousSystemFunction:

Function:

NervousSystemFunction { id: 1001, name: "Transfer nICP", description: Some( "Calls the nICP ledger transfer method.", ), function_type: Some( GenericNervousSystemFunction( GenericNervousSystemFunction { target_canister_id: Some( buwm7-7yaaa-aaaar-qagva-cai, ), target_method_name: Some( "icrc1_transfer", ), validator_canister_id: Some( buwm7-7yaaa-aaaar-qagva-cai, ), validator_method_name: Some( "icrc1_transfer", ), topic: Some( Governance, ), }, ), ), }