The ornamental design for a vertical bottledryingrack, as shown and described.
FIG. 1 is a perspective view of a vertical bottle drying rack design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right view thereof;
FIG. 5 is a left view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines showing portions of the vertical bottle drying rack design in FIGS. 1-7 are for illustrative purposes only and form no part of the claimed design.