The ornamental design for a faucet, as shown and described.
FIG. 1 is a front perspective view of a faucet showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right side view thereof, the opposite side being a mirror image of the side shown;
FIG. 6 is a rear view thereof; and,
FIG. 7 is a front elevational view thereof.
The broken line disclosure shown in FIG. 4 on the underneath side of the spout represents aerator portions of the faucet that form no part of the claim. All other broken lines shown in FIG. 4 represent portions of the faucet that form no part of the claim.