A new ultra-cheap Chinese shopping app taking Britain by storm could be illegally harvesting the data of phone users, claims a report.Temu, pronounced tee-moo, offers shoppers cut-price products shipped directly from Chinese factories. It launched in the UK in April and has surged in popularity, becoming the most-downloaded app on Google’s Play Store following similar success in the US.Distinguished by its bright orange logo, Temu is thought to have more than nine million users in the UK who have been drawn in by its ultra-low prices and free delivery.Best-selling products on its website include touchscreen watches for £15.49 and water bottles…