Pressure Cooker Turkey with Dijon Gravy

Name: Pressure Cooker Turkey with Dijon Gravy
Ingredients: 2 1/2 to 3 pounds bone-in turkey thighs , legs, wings, or bone-in half breasts (any combo you like); 3/4 teaspoon salt; 1/2 teaspoon black pepper; 1 tablespoon vegetable oil , such as avocado or canola; 2 medium onions , sliced; 3 cloves garlic , peeled; 1/2 cup white wine; 1/2 cup chicken stock; 2 tablespoons Dijon mustard; 1 teaspoon dried thyme (or 2 teaspoons fresh thyme leaves); 1 tablespoon all-purpose flour; 1 tablespoon chopped fresh parsley , to garnish