The ornamental design for a storage tote, as shown and described.
FIG. 1 is a front view of a storage tote embodying a new design;
FIG. 2 is a side view of the storage tote of FIG. 1;
FIG. 3 is a rear view of the storage tote of FIG. 1;
FIG. 4 is another side view of the storage tote of FIG. 1;
FIG. 5 is a top view of the storage tote of FIG. 1;
FIG. 6 is a bottom view of the storage tote of FIG. 1; and,
FIG. 7 is a perspective view of the storage tote of FIG. 1.
The broken lines showing portions of the storage tote and stand are for the purposes of illustrating environment and form no part of the claimed design.