Function spl_governance::instruction::set_governance_delegate

pub fn set_governance_delegate(
    program_id: &Pubkey, 
    governance_authority: &Pubkey, 
    realm: &Pubkey, 
    governing_token_mint: &Pubkey, 
    governing_token_owner: &Pubkey, 
    new_governance_delegate: &Option<Pubkey>
) -> Instruction

Creates SetGovernanceDelegate instruction