Function update_protocol_config 

pub fn update_protocol_config(
    signer: Pubkey,
    admin: Pubkey,
    fee_collector: Pubkey,
    fee_rate: u64,
    intermission_slots: u64,
    round_slots: u64,
    entropy_var_address: Pubkey,
    entropy_program_id: Pubkey,
) -> Instruction