The ornamental design for deck-mount faucet, as shown and described.
FIG. 1 is a perspective view of the faucet according to the invention, the deck and displayed indicia that do not form part of the invention being shown in dashed lines;
FIG. 2 is a left-side elevation view of the faucet;
FIG. 3 is a right-side elevation view of the faucet;
FIG. 4 is a front view of the faucet;
FIG. 5 is a back view of the faucet;
FIG. 6 is a top view of the faucet showing quiescent and in-use display modes; and,
FIG. 7 is a bottom view of the faucet showing quiescent and in-use display modes.