The ornamental design for a package, as shown and described.
FIG. 1 is a top perspective view of a package showing my new design in closed condition;
FIG. 2 is a top plan view thereof;
FIG. 3 is bottom plan view thereof;
FIG. 4 is a front side view thereof, the opposite side being a mirror image thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a perspective view of a package showing our new design in open condition thereof with one of the compartment seals shown partially opened; and,
FIG. 8 is an inside perspective view of a package showing our new design in open condition thereof with all of the compartment seals shown removed.