Instant Pot Potato Corn Chowder

Name: Instant Pot Potato Corn Chowder
Ingredients: 2 cans (14.5 oz each) chicken broth; 1 bag (16 oz) frozen gold n' white corn; 2½ cups peeled, chopped red potatoes ((very small, bite-sized 1/2-inch pieces)); 1 sweet onion or yellow onion (finely diced); 3 cloves garlic ((minced or pressed, paste, or chopped)); ½ teaspoon kosher salt; ½ teaspoon black pepper; 1 cup heavy cream; 2 tablespoons cornstarch; 1 cup shredded cheddar cheese or colby-jack cheese; bacon bits, shredded cheese, green onions ((toppings for serving))