The ornamental design for a figurine, as shown and described.
FIG. 1 is a front elevational view of a figurine showing my new design;
FIG. 2 is a rear elevational view thereof; FIG. 3 is a left side
perspective view thereof; FIG. 4 is a right side elevational view thereof;
and, FIG. 5 is a left side elevational view thereof.