By Jess Jones More Brits ordering takeout in the UK and Ireland helped Deliveroo post growth in its third quarter, as it maintained its full year guidance. The food delivery company booked gross transaction value (GTV) of £1.78bn, up six per cent year on year in constant currency, as orders jumped to 71.1m, up from 69.7m in the year-ago period. In the UK and Ireland, GTV grew seven per cent year on year to £1.1bn. Order numbers ticked up two per cent as Deliveroo “made progress on our initiatives in a more stable but still uncertain consumer environment”. Will Shu, founder and chief executive …