3 cups low sodium chicken broth
1 1/2 pounds boneless skinless chicken breast halves
1/2 cup mayonnaise
2 tablespoons chopped chives
1 tablespoon chopped tarragon
1 teaspoon lemon juice
1 teaspoon grated lemon zest
1/2 teaspoon sea salt
1/4 teaspoon ground black pepper
2 celery stalks, chopped