By Michael S. Derby NEW YORK (Reuters) -The Federal Reserve's Standing Repo Facility on Wednesday recorded the highest level of usage since its launch in 2021, as central bankers are widely expected to announce an end to their balance sheet drawdown. Eligible financial firms took slightly over $10 billion in loans from the facility, widely known as the SRF. Collateralizing that borrowing was $2 billion in Treasury bonds and $8.2 billion in mortgage-backed securities. Despite the record borrowings, SRF v ...