Order Approving a Proposed Rule Change, as Modified by Amendments No. 1 and No. 2, To List and Trade Shares of the iShares iBonds Dec 2024 AMT-Free Muni Bond ETF, iShares iBonds Dec 2025 AMT-Free Muni Bond ETF, and iShares iBonds Dec 2026 AMT-Free Muni Bond ETF of the iShares U.S. ETF Trust Under Exchange Rule 14.11(i)