fix type name

shared-bindings/vectorio/Circle.c

@@ -109,7 +109,7 @@ MP_PROPERTY_GETSET(vectorio_circle_color_index_obj,
 //|     y: int
 //|     """Y position of the center point of the circle in the parent."""
 //|
-//|     hidden: boolean
+//|     hidden: bool
 //|     """Hide the circle or not."""
 //|
 //|     location: Tuple[int, int]

shared-bindings/vectorio/Polygon.c

@@ -118,7 +118,7 @@ MP_PROPERTY_GETSET(vectorio_polygon_color_index_obj,
 //|     y: int
 //|     """Y position of the 0,0 origin in the points list."""
 //|
-//|     hidden: boolean
+//|     hidden: bool
 //|     """Hide the polygon or not."""
 //|
 //|     location: Tuple[int, int]

shared-bindings/vectorio/Rectangle.c

@@ -139,7 +139,7 @@ const mp_obj_property_t vectorio_rectangle_color_index_obj = {
 //|     y: int
 //|     """Y position of the top left corner of the rectangle in the parent."""
 //|
-//|     hidden: boolean
+//|     hidden: bool
 //|     """Hide the rectangle or not."""
 //|
 //|     location: Tuple[int, int]