The ornamental design for a toy, as shown and described.
FIG. 1 is a top right perspective view of the toy of the present invention;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a right side elevation view thereof, the left side being a mirror image thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The dashed lines are included for the purpose of illustrating the portions of the toy that form no part of the claimed design. All other surface lines are indicative of nothing other than the surface character and contour of the claimed portions of the toy.