Lemon Blueberry Buttermilk Sheet Pan Pancakes

Name: Lemon Blueberry Buttermilk Sheet Pan Pancakes
Ingredients: cooking spray; 1 1/2 cups unbleached all-purpose flour; 1/2 cup whole wheat flour; 2 tablespoons granulated sugar; 2 teaspoons baking powder; 1 teaspoon kosher salt; 2 tablespoons unsalted butter (melted and slightly cooled ); 2 cups low-fat buttermilk; 2 large eggs; 1 lemon juice and zest; 2 teaspoons vanilla extract; 1 1/2 cups blueberries