DUBLIN (Reuters) – Irish consumer sentiment posted its largest monthly improvement in three years in January as falling energy and grocery prices eased cost-of-living concerns, a survey showed on Monday. The Credit Union Consumer Sentiment index rose to 74.2 in January from 62.4 in December. That is just short of the 77 registered in February 2022 before Russia’s invasion of Ukraine, and far ahead of a 14-year low of 42.1 hit in September 2022 amid a cost-of-living crunch. “The sharp improvement … suggests many consumers expect an easing in cost-of-living pressures and some increase in their…