By David Milliken and William Schomberg LONDON (Reuters) – Britain’s economy grew slightly more strongly than expected in November but remains at risk of slipping into a mild recession, a potential blow for Prime Minister Rishi Sunak before an election expected in 2024. Gross domestic product (GDP) expanded by 0.3% after a fall of 0.3% in October, slightly beating economists’ forecasts for 0.2% growth in a Reuters poll. But output shrank by 0.2% in the three months to the end of November, figures from the Office for National Statistics (ONS) showed on Friday, more than the expected 0.1% fall. …