By Kate Holton and William James LONDON (Reuters) -British finance minister Rishi Sunak faced awkward questions about his wife’s finances on Thursday after she confirmed she did not pay UK taxes on her foreign earnings on the same day he hiked taxes for millions of people. Sunak, a former banker, is married to Akshata Murthy, daughter of Narayana Murthy, the billionaire co-founder of IT services company Infosys. She owns around 0.93% of the company. Her spokeswoman confirmed late on Wednesday – the day that social security contributions rose for UK workers and employers – that Murthy was treat…