Instant Pot Eggplant Chickpea Stew

Name: Instant Pot Eggplant Chickpea Stew
Ingredients: 1 large eggplant , peeled and cut into 3/4-inch pieces; 1 red bell pepper , seeded and cut into 3/4-inch pieces; 1 teaspoon kosher salt; 2 tablespoons extra-virgin olive oil; 2 garlic cloves , chopped; 1/2 medium yellow onion , diced; 1 ( 15 - ounce ) can chickpeas , drained and rinsed, or 1 1/2 cups cooked chickpeas (from 4 ounces dried); 2 tablespoons chopped fresh mint; 1 teaspoon dried oregano; 1/4 teaspoon ground cumin; 1/4 cup water; 2 tablespoons tomato paste; 1/2 cup crumbled feta (dairy or plant-based); 3 cups cooked rice