The ornamental design for a pestdeterrentdevice, as shown and described.
FIG. 1 is a front perspective view of a pest deterrent device in accordance with the present design;
FIG. 2 is a front view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a top view thereof.
The broken lines depict environmental structure and are for illustrative purposes only and form no part of the claimed design. The shading represents contour of the claimed design.