Instant Pot Chicken and Flat Dumplings

2-3 chicken breasts 1 medium onion – quartered 3 cloves garlic, chopped 2 lemon slices 2-3 TB Better than Bouillon (chicken flavor) 1 bay leaf salt/pepper 1 TB of Herbes de Provence 1 tsp poultry seasoning 8-10 cups water, depending on size of chicken 1 bag of frozen mixed vegetables (green beans, corn, carrots) Dumplings:…