[PRISMA] [PIP-025] - Add rsETH as collateral to mint ULTRA

Quorum: 8.75m CVX

This is a proposal for a new market, rsETH, to be added for users to borrow using rsETH on the Prisma LRT market.

Read: https://gov.prismafinance.com/t/pip-025-add-rseth-as-collateral-to-mint-ultra/138