The ornamental design for a vehiclebumper brace, as shown and described.
FIG. 1 is a side view of a vehicle bumper brace showing my new design.
FIG. 2 is a top, right side perspective view of said vehicle bumper brace; and,
FIG. 3 is a bottom, right side of a vehicle bumper brace shown with environment.
The broken line showing portions of a vehicle frame are included for the purpose of illustrating environmental structure and forms no part of the claimed design.