LONDON (Reuters) -Britain’s unemployment rate held at 3.8% in the three months to May and the number of people in work rose by the most since the middle of 2021, suggesting the cost-of-living squeeze has not yet hit demand for staff, official figures showed. Economists polled by Reuters had expected the jobless rate to rise to 3.9% from 3.8% in the previous reading. Tuesday’s data showed an increase of 296,000 in the number of people in employment, the biggest increase since the three months to August last year. The Reuters poll had pointed to an increase of 170,000. While the number of people…