The ornamental design for a caplight, as shown and described.
FIG. 1 is a front view of a cap light showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front view of a second embodiment showing my new design;
FIG. 8 is a rear view thereof;
FIG. 9 is a left side view thereof;
FIG. 10 is a right side view thereof;
FIG. 11 is a top plan view thereof; and,
FIG. 12 is a bottom plan view thereof.
This application includes two embodiments. FIGS. 1-6 show all views of the first embodiments of the design, FIGS. 7-12 show all views of the second embodiment of the design.