General Motors Co.’s Buick brand topped J.D. Power’s 2022 Initial Quality Study in a year in which pandemic-related disruptions caused overall results to decline. That’s according to data released Tuesday by the consumer insights, advisory services and data analytics firm. Initial vehicle quality “notably declined” during the pandemic, with disruptions such as supply-chain issues and personnel dislocations contributing to vehicle problems reaching a record high in the 36-year history of the study. The automotive industry saw an 11% increase in problems per 100 vehicles (PP100) compared to 2021…