The ornamental design for a faucet, as shown and described.
FIG. 1 is a front perspective view of a faucet according to the present invention.
FIG. 2 is a front view of the faucet of FIG. 1.
FIG. 3 is a rear view of the faucet of FIG. 1.
FIG. 4 is a left side view of the faucet of FIG. 1.
FIG. 5 is a right side view of the faucet of FIG. 1.
FIG. 6 is a top view of the faucet of FIG. 1; and,
FIG. 7 is a bottom view of the faucet of FIG. 1.
The evenly spaced broken lines represent portions of the faucet that form no part of the claimed design. The faucet is shown with symbolic breaks in its length. The appearance of any portion of the article between the long-dash/short-dash broken break lines forms no part of the claimed design.