By Laura McGuire The Co-op board said it was confident in the group’s outlook for the year as it steamed ahead with plans to build its membership base to 8m by the end of the decade. According to its full-year update, published this morning, the funeral care to supermarket chain made £11.3bn in revenue in 2023, down just £0.2bn from the previous year. Profit before tax was £28m, down from £268m reported for 2022. However, the group attributed this variance to the sale of its petrol forecourt business to Asda. At its grocery chain, food underlying operating profit increased 11 per cent year-on-…