The ornamental design for a bidetsprayer, as shown and described.
FIG. 1 is a front elevational view of a bidet sprayer showing the new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left-side elevational view thereof;
FIG. 4 is a right-side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a top, front, left perspective view thereof.
The broken line showing of a bidet sprayer is included for the purpose of illustrating portions of the article and forms no part of the claimed design.