Prop 52: [SIPS-044] Add WSTETH to Real Yield ETH

This text proposal is to add WSTETH support to Real Yield ETH. If accepted, a Steward update will enable the asset to be added to the Cellar.

See the corresponding forum post for more details: https://community.sommelier.finance/t/sips-044-upcoming-proposal-to-add-wsteth-to-real-yield-eth/1121