Instant Pot Mac and Cheese

Name: Instant Pot Mac and Cheese
Ingredients: 1 (16 ounce) package elbow macaroni; 1 quart chicken stock; 0.5 teaspoon salt; 0.5 teaspoon dry mustard; 0.5 teaspoon liquid smoke flavoring; 0.5 teaspoon paprika; 0.5 teaspoon ground black pepper; 0.5 teaspoon garlic powder; 2 tablespoons butter; 1 cup milk; 8 ounces shredded Cheddar cheese; 1 cup grated Parmesan cheese