New Jersey businesses are grappling with nearly $1 billion in tax increases over the next three years after a surge in unemployment claims during the pandemic depleted the state’s Unemployment Insurance Trust Fund. State lawmakers are now looking to ease some of that burden with legislation to provide tax credits to small employers based on expected increases in their unemployment insurance contributions. Businesses are confronting about $250 million in added taxes this fiscal year and an additional $600 million or more over the next two years, according to the New Jersey Business and Industry…