By Stefano Rebaudo (Reuters) -Euro zone government bond yields jumped to multi-year highs amid expectations that central banks will keep tightening their monetary policy despite recession risks and a new sell-off in British gilts. Meanwhile, the spread between Italian and German yields widened after the rightist coalition won a clear majority in Sunday’s elections. Italian bond (BTP) prices are also more susceptible to shifts in interest rate expectations, given the country’s vast debt burden. Giorgia Meloni looks set to become Italy’s first woman prime minister at the head of its most right-w…