Whole Wheat Carrot Muffins

Name: Whole Wheat Carrot Muffins
Ingredients: For the muffins:; 2 cups whole wheat flour; 1-1/2 teaspoons baking powder; 1/2 teaspoon baking soda; 1/2 teaspoon salt; 2 teaspoons cinnamon; 1/2 teaspoon nutmeg; 1/4 teaspoon ground ginger; 1/2 teaspoon allspice; 2 large eggs; 1/3 cup canola oil; 1-1/4 cups packed brown sugar; 1 cup full-fat greek yogurt; 1-1/2 cups grated carrots; 1 cup golden raisins; For the topping:; 1/4 cup brown sugar; 1-1/2 tablespoons all-purpose flour; 1/4 teaspoon cinnamon; 1 tablespoon unsalted butter, at room temp