I claim the ornamental design for an textile package holder, as shown and described.
FIG. 1 is a perspective view of a textile package holder with a textile package shown in phantom; the textile package forming no part of the claimed design;
FIG. 2 is a further perspective view of the textile package holder;
FIG. 3 is a top view of the textile package holder;
FIG. 4 is a side view of the textile package holder;
FIG. 5 is a bottom view of the textile package holder;
FIG. 6 is a rear end view of the textile package holder; and,
FIG. 7 is a front end view of the textile package holder.