FIG. 1 is a rear upper perspective view of the spotlight showing my ornamental design; FIG. 2 is a front upper perspective view thereof; FIG. 3 is a top view thereof; FIG. 4 is a rear view thereof; FIG. 5 is left side elevation view thereof; FIG. 6 is right side elevation view thereof; FIG. 7 is a front view thereof; and, FIG. 8 is a bottom view thereof.