The ornamental design for a bagrack, as shown and described.
FIG. 1 is a front perspective view of a bag rack, showing my new design;
FIG. 2 is a front elevation view thereof,
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left-side elevation view thereof, the right-side view being a mirror image thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is the front perspective view of the bag rack, shown in use.
The broken lines showing bags in FIG. 7 depicts environmental subject matter that forms no part of the claimed design, while the remaining broken lines shown in the drawings depict portions of the bag rack that form no part of the claimed design.