The ornamental design for a faucet, as shown and described.
FIG. 1 is a first perspective view of a faucet, showing my design.
FIG. 2 is a second perspective view thereof.
FIG. 3 is a front elevation view thereof.
FIG. 4 is a rear elevation view thereof.
FIG. 5 is a left side elevation view thereof.
FIG. 6 is a right side elevation view thereof.
FIG. 7 is a top plan view thereof.
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is an enlarged view of an area labeled 9 in FIG. 2 of the faucet.
The evenly spaced broken lines depict portions of the faucet that form no part of the claimed design; the dash-dot dash broken lines surrounding the enlarged view in FIGS. 2 and 9 are for annotation purposes only and form no part thereof.