The ornamental design of a micro-bar light, as shown and described.
FIG. 1 is a perspective view of a micro-bar light;
FIG. 2 is a top view of the micro-bar light;
FIG. 3 is a front view of the micro-bar light, the opposite rear view being identical;
FIG. 4 is a side view of the micro-bar light, the opposite side view being identical; and,
FIG. 5 is the bottom view of the micro-bar light.
The broken line showing of the mounting bracket is for the purpose of illustrating environmental structure for the micro-bar light and forms no part of the claimed design.