Instant Pot Chicken Tagine

Name: Instant Pot Chicken Tagine
Ingredients: 2 (15-ounce) cans chickpeas , rinsed, divided; 1 tablespoon extra-virgin olive oil; 5 garlic cloves , minced; 1½ teaspoons paprika; ½ teaspoon ground turmeric; ½ teaspoon ground cumin; ¼ teaspoon ground ginger; ¼ teaspoon cayenne pepper; 1 fennel bulb , 1 tablespoon fronds minced, stalks discarded, bulb halved and cut lengthwise into ½-inch-thick wedges; 1 cup chicken broth; 3 (2-inch) strips lemon zest , plus lemon wedges for serving; 4 (5- to 7-ounce) bone-in chicken thighs , skin removed, trimmed; ½ teaspoon table salt; ½ cup pitted large brine-cured green or black olives , halved; ⅓ cup raisins; 2 tablespoons chopped fresh parsley