We claim the ornamental design for an oven tray, as shown and described.
FIG. 1 is a top front perspective view of an oven tray 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 view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is another top front perspective view of the oven tray of FIG. 1, in which a bottle in broken lines is provided to illustrate an example environment;
FIG. 9 is another front view, in which an oven and a bottle in broken lines are provided to illustrate an example environment; and,
FIG. 10 is another top perspective view of the oven tray of FIG. 1, in which the oven tray is provided in an alternate position.
The broken lines in FIGS. 8 and 9 show environmental features which form no part of the claimed design.