The ornamental design for a foldableoutdoorlight, as shown and described.
FIG. 1 is a first perspective view of a foldable outdoor light showing, my new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a bottom view thereof; and,
FIG. 9 is a perspective view of another state of the foldable outdoor light thereof.
The broken lines shown in the drawings depict portions of foldable outdoor light in which the design is embodied that form no part of the claimed design.