Instant Pot Minestrone Soup

Name: Instant Pot Minestrone Soup
Ingredients: 3 tablespoons extra-virgin olive oil; 1 Spanish onion, diced; 2 stalks of celery, sliced; 1 large carrot, chopped into quarter wedges; 1 small zucchini (known as courgette in Europe), chopped into quarter wedges; 1 tbsp of garlic, minced; 6 cups of vegetable broth (2 tbsp of Vegetable Better Than Bouillon + 6 cups of water); 1 cup of frozen cut green beans; 28 oz can of crushed tomatoes; 14.5 oz can of diced tomatoes; 15.5 oz can of red kidney beans, drained & rinsed; 15.5 oz can of cannellini beans, drained & rinsed; 1 tsp of dried oregano; 1 tsp of dried basil; 1/2 tsp of dried thyme; 1 tsp of black pepper; 2 tsp of seasoned salt; 5-6 oz bag of baby spinach; 1 cup of Pipette pasta (Ditalini or mini shells works well here too)