LONDON (Reuters) -Global sovereign borrowing will reach $10.4 trillion in 2022, nearly a third above the average before the coronavirus pandemic, S&P Global Ratings said in a report. Despite an economic recovery, borrowing will stay elevated because of high debt rollover requirements and war in Ukraine, the ratings agency said in an annual note. While 137 countries will borrow an equivalent of $10.4 trillion in 2022, an estimated 30% lower than 2020, the overall figure is one-third higher than average borrowing between 2016 and 2019, S&P said. “Tightening monetary conditions will push up gover…