The ornamental design for a packaging, as shown and described.
FIG. 1 is a front perspective view of the first embodiment of the packaging showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a front perspective view of the second embodiment of the packaging;
FIG. 9 is a front view thereof;
FIG. 10 is a rear view thereof;
FIG. 11 is a right side view thereof;
FIG. 12 is a left side view thereof;
FIG. 13 is a top plan view thereof; and,
FIG. 14 is a bottom view thereof.
The broken line showing of portions of the packaging is included for the purpose of illustrating environmental structure and forms no part of the claimed design.