The ornamental design for a pallet, as shown and described.
FIG. 1 is a perspective view of the pallet taken from an upper right corner of the pallet;
FIG. 2 is a top view thereof;
FIG. 3 is a right end elevational view thereof, the left end elevational view being the same as the right end elevational view;
FIG. 4 is a right side elevational view thereof, the left side elevational view being the same as the right side elevational view;
FIG. 5 is a bottom view thereof;
FIG. 6 is an end elevational view showing three pallets stagger-stacked with one another; and,
FIG. 7 is a side elevational showing three pallets stagger-stacked with one another.
The broken line showing of some elements in FIGS. 6 and 7 is included for the purpose of illustrating environment and forms no part of the claimed design.