[GIP-289] Convert Treasury ETH into sfrxETH

Summary

Summary Convert 300 WETH held by the Gearbox DAO treasury into sfrxETH to generate staking yield and strengthen alignment between Gearbox and Frax. # Context Frax’s FIP-450 proposes adding the Gearbox Institutional RWA Market to the sfrxUSD strategy whitelist with a $5 million allocation cap. The proposal also describes a Gearbox alignment commitment involving converting ETH into sfrxETH. #...