LONDON (Reuters) – Sterling weakened against the dollar and the euro on Tuesday, as the single currency firmed on reports that Russia was returning some troops near Ukraine to their bases. Data showed that annual pay growth in Britain in the final quarter of 2021 edged up to 4.3% from 4.2% in the three months to November, reflecting bigger Christmas bonuses than a year ago. Analysts said the latest jobs data confirmed expectations of higher interest rates from the Bank of England but with this already priced into markets, the impact of the data on the pound was muted. There was also focus on d…