The ornamental design for a faucet, as shown and described.
FIG. 1 is a perspective view of the top, front and right side of a faucet showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a perspective reference view of usage thereof.
The broken lines shown in the oval area on the spout portion of the faucet shown in FIG. 7 and in the base portion of FIG. 8 are included for the purpose of illustrating a portion of the faucet handle that forms no part of the claimed design.