Instant Pot Taco Soup

Name: Instant Pot Taco Soup
Ingredients: 1 tbsp. olive oil; 1 1/2 lb. ground beef; 3 garlic cloves, chopped; 1 medium onion, chopped; 1 small red bell pepper, chopped; 1 oz. packet taco seasoning; 2 tsp. chili powder; 1 tsp. ground cumin; 15 oz. can black beans, drained and rinsed; 14 oz. can low-sodium chicken broth; 10 oz. can diced tomatoes and green chiles; 8 oz. can tomato sauce; 16 oz. bag frozen fire-roasted corn; Kosher salt, to taste; Sour cream, shredded cheddar cheese, sliced scallions and broken tortilla chips, to serve