Your dinner plate could get more expensive this year. Labor shortages, public policy disputes, weather conditions, and the global supply chain crisis could contribute to higher food inflation in the coming months. In January, the U.S. annual food index climbed 7 percent, with many items costing more, from meat to bread to fruit. Food at home surged 7.4 percent, while food away from home advanced 6.4 percent. This trend is also occurring worldwide. The Food and Agriculture Organization (FAO), an agency a part of the United Nations, warned that its Food Price Index inched closer to its 2011 all-time high last month. Over the last several months, U.S. consumers might have noticed an increase in their grocery bills, bare shelves at their local supermarkets, and restaurants charging more or offering less. Shoppers might soon learn that avocados will be in short supply and Big Macs will cost more. Holy Guacamole …