The ornamental design for a toecap, as shown and described.
FIG. 1 is a perspective view taken from a front, top, left side of a toe cap showing our design;
FIG. 2 is a left side elevation view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a front elevation view thereof; and,
FIG. 5 is a top plan view thereof.
Throughout the Figures, where shown: the dotted lines showing additional structure of the toe cap are for illustrative purposes only and form no part of the claimed design; the unshaded surfaces form no part of the claimed design; and the dotted/dashed lines illustrate unclaimed boundaries of surfaces claimed as part of the design.