Update wireframe triangle colour

src/rasteriser/main.c

@@ -54,7 +54,7 @@ int main(void) {
     draw_shaded_triangle(&window, arena, triangle,
                          (colour_t){.colour = 0x00ff00ff});
     draw_wireframe_triangle(&window, arena, triangle,
-                            (colour_t){.colour = 0x000000ff});
+                            (colour_t){.colour = 0xff008aff});
 
     swap_buffers(&window);