By Levi Winchester Lidl supermarket shoppers can get “uncapped savings” off their weekly shop through a new recycling scheme. The supermarket is launching a bottle return scheme trial in Glasgow until August 11, where customers will be able to get vouchers in exchange for depositing empty plastic bottles and aluminium cans. Shoppers will get a 5p voucher for each eligible item they return – this can then be spent in stores or donated to The STV Children’s appeal. There is no cap on the number of items that can be returned, and Lidl will accept bottles and cans purchased from any retailer, as l…