The ornamental design for the pedicure spa, as shown and described.
FIG. 1 is a perspective view showing the front, right, and upper side of my new pedicure spa, the broken lines shown of a chair and a portion of a basin are for illustrative purposes only and forms no part of the claimed design;
FIG. 2 is a right side view of the pedicure spa shown in FIG. 1, the left side view being a mirror image thereof, the broken lines shown of a chair and a portion of a basin are for illustrative purposes only and forms no part of the claimed design;
FIG. 3 is a top view of the pedicure spa shown in FIG. 1, the broken lines shown of a chair and a portion of a basin are for illustrative purposes only and forms no part of the claimed design;
FIG. 4 is a front and upper side view of the pedicure spa shown in FIG. 1, the broken lines shown of a chair and a portion of a basin are for illustrative purposes only and forms no part of the claimed design; and,
FIG. 5 is a rear view of the pedicure spa shown in FIG. 4, the broken lines shown of a chair are for illustrative purposes only and forms no part of the claimed design.