The ornamental design for a shoppingtrolley, as shown and described.
FIG, 1 is a front perspective view of a shopping trolley in an open position, showing my design;
FIG. 2 is a back perspective view thereof, in an open position; and,
FIG. 3 is a front perspective view thereof; in a closed position.
The broken lines shown in the figures are included for the purpose of illustrating portions of the shopping trolley and form no part of the claimed design.