By Alexandra Schwarz-Goerlich, John O’Donnell and Francesco Canepa VIENNA/FRANKFURT (Reuters) – Austria’s Raiffeisen Bank International (RBI) is looking into leaving Russia, two people with knowledge of the matter told Reuters, a move that would make it the first European bank to do so since the country’s invasion of Ukraine. Such a decision, which could see one of central and eastern Europe’s biggest banks quit both Russia and Ukraine, is not imminent, but could be triggered if its businesses in those countries need further cash or capital, one of the people said. RBI has operated in Russia s…