Subscribe templ treasury to TreasuryYieldStation for native ETH yield routing

Description

Subscribes 0.02 ETH (20000000000000000 wei) to the TreasuryYieldStation contract at 0x7257c53d96153C88C3537B87dc5CCEfd13255584. Source verified on BaseScan, EVM Cancun, optimizer 200. Contract properties (verifiable from source): - Open-source, no admin, no upgrade path, no rescue function - Symmetric deposit/withdraw — subscriber (msg.sender = Treasury) retains exclusive right to withdraw its own shares - shares[msg.sender] tracking ensures Treasury can recover its 0.02 ETH at any time via withdraw(amount) - No external dependencies, no oracles, no governance hooks Action: Treasury.execute(0x7257c53d96153C88C3537B87dc5CCEfd13255584, 0.02 ETH, deposit()) After execution: Treasury's shares balance in the yield station = 0.02 ETH. Treasury can withdraw at any time. No external party can claim Treasury's deposit (msg.sender check in withdraw).