The ornamental design for the animal leash, as shown and described.
FIG. 1 shows a front perspective view of an animal leash;
FIG. 2 shows a front view of the animal leash of FIG. 1;
FIG. 3 shows a rear view of the animal leash of FIG. 1;
FIG. 4 shows a right side view of the animal leash of FIG. 1;
FIG. 5 shows a left side view of the animal leash of FIG. 1;
FIG. 6 shows a top view of the animal leash of FIG. 1; and,
FIG. 7 shows a bottom view of the animal leash of FIG. 1.
The broken lines depict portions of the animal leash that form no part of the claimed design.
The animal leash is shown with a symbolic break in its length. The appearance of any portion of the animal leash between the break lines forms no part of the claimed design.