Instant Pot Chicken Youvetsi

Name: Instant Pot Chicken Youvetsi
Cuisine: Greek
Ingredients: 6-8 chicken thighs, bone-in skinless (3-4 lbs); 1/4 cup (60ml) olive oil; 1 large onion, finely chopped; 4 garlic cloves, grated; 15 oz (411g) crushed tomatoes; 1 Bay leaf; pinch of crushed red pepper flakes; 1 teaspoon salt or to taste plus more for the orzo; freshly ground black pepper, to taste; optional: 1 cinnamon stick and 2-3 cloves; 1 teaspoon dried crushed oregano; 4-5 cups (1 liter) chicken stock; 1 pound (450g) orzo pasta; finely chopped fresh parsley; feta cheese and olives for serving