The ornamental design for a bracket, as shown and described.
FIG. 1 is a front, top, right perspective view of a bracket showing the new design;
FIG. 2 is a rear, bottom, left perspective view thereof;
FIG. 3 is front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left-side elevation view thereof;
FIG. 6 is a right-side elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The claimed design includes the mirror image of each bracket design depicted in FIGS. 1 to 8. The broken lines of even length shown in the drawings illustrate portions of the bracket that form no part of the claimed design.