The ornamental design for a releasableprybar, as shown and described.
FIG. 1 is a perspective view of a releasable pry bar; and,
FIG. 2 is a side view thereof, wherein the opposing side view is a mirror image.
The claimed design is a tool for applying force on a workpiece. The broken lines in the drawings illustrate features of the releasable pry bar that form no part of the claim.