Bug: Fixed Image 2 Image example (#11619)

Bug: Fixed Image 2 Image example where a PIL.Image was improperly being asked for an item via index.

docs/source/en/api/pipelines/sana_sprint.md

@@ -113,7 +113,7 @@ image = pipe(
     height=832, 
     width=480
 ).images[0]
-image[0].save("output.png")
+image.save("output.png")
 ```
 
 ## SanaSprintPipeline