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 broken lines shown in the drawings depict portions of the faucet that form no part of the claimed design. The appearance of any portion of the faucet between the broken line portions indicated by the brackets forms no part of the claimed design.