[ts][pixi-v7] Fix incorrect pixiObject scale in updatePixiObject

spine-ts/spine-pixi-v7/src/Spine.ts

@@ -398,7 +398,7 @@ export class Spine extends Container {
 	}
 	private updatePixiObject (pixiObject: Container, slot: Slot, zIndex: number) {
 		pixiObject.position.set(slot.bone.worldX, slot.bone.worldY);
-		pixiObject.scale.set(slot.bone.getWorldScaleX(), slot.bone.getWorldScaleX());
+		pixiObject.scale.set(slot.bone.getWorldScaleX(), slot.bone.getWorldScaleY());
 		pixiObject.rotation = slot.bone.getWorldRotationX() * MathUtils.degRad;
 		pixiObject.zIndex = zIndex + 1;
 		pixiObject.alpha = this.skeleton.color.a * slot.color.a;