By Henry Saker-Clark, PA Deputy Business Editor & Lawrence Matheson Soft drinks companies AG Barr and Fever-Tree have reported strong sales and predicted good results for 2024, even though consumers are feeling the squeeze. Investors welcomed the latest updates, and shares in both companies rose on Tuesday morning. AG Barr, which makes Irn-Bru and Rubicon, said sales jumped by over a quarter last year, helped by acquisitions and steady demand from customers. Revenue increased by 25.9% to £400million for the year to January 28, compared to the previous year. AG Barr said this was due to “strong…