[Balancer] - Hand Over Swap Fee and Amplification Factor Control to the BalancerDAO

This MetaGovernance vote is for voting on Balancer's latest proposal using Index Products. Please review the proposal here: https://snapshot.org/#/balancer.eth/proposal/0xe8c75512fad1ae00352d70da8572b2184e430d9fbfd1e77369ddc3639bc22695

The quorum for this vote is 148 521 INDEX.

The Index can vote with ~939k BAL locked in INDEX products (71% of required quorum)