The ornamental design for a lunch tote, substantially as shown and described.
FIG. 1 is a front perspective view of the lunch tote.
FIG. 2 is a right view of the lunch tote.
FIG. 3 is a left view of the lunch tote.
FIG. 4 is a front view of the lunch tote.
FIG. 5 is a back view of the lunch tote.
FIG. 6 is top view of the lunch tote; and,
FIG. 7 is a bottom view of the lunch tote.
The broken zigzag lines shown in FIGS. 1–7 are included for the purpose of showing stitching on portions of the lunch tote and form no part of the claimed design.