Pressure Cooker Gigante Beans in Tomato Sauce

Name: Pressure-Cooker Gigante Beans in Tomato Sauce
Ingredients: ¼ cup olive oil, plus more; 1 medium onion, chopped; 4 garlic cloves, thinly sliced; ½ teaspoon crushed red pepper flakes, plus more for serving; ½ cup dry white wine; 2½ cups dried gigante beans; 2 bay leaves; 1 tablespoon kosher salt, plus more; 1 28-ounce can whole peeled tomatoes, drained; Crumbled feta, oregano leaves, and lemon wedges (for serving)