The ornamental design for a light, as shown and described.
FIG. 1 is a perspective view of a light showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is an enlarged view of portion 9 shown in FIG. 1.
The light is shown with a symbolic break in its length. The symbolic break lines from no part of the claimed design. The broken lines in the drawings depict portions of the light that form no part of the claimed design.