The ornamental design for a dicefishinglure, as shown and described.
FIG. 1 is a perspective view of the dice fishing lure showing my new design;
FIG. 2 is a side elevation view thereof; and,
FIG. 3 is another perspective view thereof.
Broken lines shown in the drawings represent the environment of the hook and first die of the preferred embodiment and do not form part of the claimed design.