Chardonnay Chicken Symphony

Name: Chardonnay Chicken Symphony
Ingredients: 1 tablespoon olive oil; 1 teaspoon salt-free garlic and herb seasoning blend (such as Mrs. Dash®); 0.25 teaspoon garlic powder; 1 pinch ground black pepper; 6 boneless, skinless chicken breast tenders; 1 cup dry Chardonnay; 1 (7 ounce) can portobello mushrooms, drained; 1 (6 ounce) jar marinated artichoke hearts, drained; 1 (2.5 ounce) can black olives, drained; 0.5 teaspoon capers