Instant Pot® Seafood Gumbo
1 green bell pepper - stemmed, seeded, and fi… 1 onion, finely chopped 1 ½ teaspoons salt 1 ⅓ cups water 2 stalks celery, finely chopped 2 teaspoons Cajun seasoning 2 teaspoons Worcestershire sauce 2 ¼ cups chicken broth, divided 3 cloves garlic, minced 3 tablespoons butter 6 ounces beer (such as Abita Turbodog®) ¼ teaspoon cayenne pepper, or to taste ¼ teaspoon dried thyme ½ pound medium shrimp, peeled and deveined ¾ cup uncooked white rice ⅓ cup all-purpose flour, divided ⅓ pound cod, cut into 1-inch pieces ⅓ pound scallops