The ornamental design for a paymentcardenclosure, as shown and described.
FIG. 1 is a perspective view of the payment card enclosure;
FIG. 2 is a front view;
FIG. 3 is a back view;
FIG. 4 is a right side view;
FIG. 5 is a left side view;
FIG. 6 is a top view; and,
FIG. 7 is a bottom view thereof.
The broken lines showing printed material are for the purpose of illustrating portions of the payment card enclosure and form no part of the claimed design.