The ornamental design for a gate, as shown and described.
FIG. 1 is a top and front perspective view of a gate showing a new design;
FIG. 2 is a front view thereof with the back view being a mirror image thereof;
FIG. 3 is a left side view thereof with the right side being a mirror image thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom side view thereof;
FIG. 6 is an expanded view from FIG. 1 thereof; and,
FIG. 7 is an expanded view from FIG. 1 thereof.
The dashed lines of FIG. 1, 5, 6 show environmental conditions only and form no part of the claimed design. The evenly spaced dashed line square of FIGS. 1, 6 and 7 depict the limits of the enlarged view and form no part of the claimed design.