Instant Pot Chicken Posole

Name: Instant Pot Chicken Posole
Ingredients: 2 lb. (1 kg) boneless, skinless chicken breasts; Kosher salt and freshly ground pepper; 2 Tbs. extra-virgin olive oil; 1 yellow onion, diced; 4 garlic cloves, thinly sliced; 1 jalapeño chile, seeded and finely chopped; 1 tsp. dried oregano; 1 tsp. ground cumin; 1 can (25 oz./780 g) hominy, drained and rinsed; 4 cups (32 fl. oz./1 l) chicken broth; 6 tomatillos, husks removed, rinsed and coarsely chopped; Juice of 1 lime; Fresh cilantro leaves for garnish; Avocado slices for garnish; Lime wedges for garnish