change source of "albedobase-xl-v21"

change model from reop `rubberband/albedobase-xl-v21` to [`stablediffusionapi/albedobase-xl-v21`](https://huggingface.co/stablediffusionapi/albedobase-xl-v21)

app.py

@@ -131,7 +131,7 @@ elapsed_time = et - st
 print('Loading VAE took: ', elapsed_time, 'seconds')
 st = time.time()
 
-pipe = StableDiffusionXLInstantIDImg2ImgPipeline.from_pretrained("rubbrband/albedobaseXL_v21",
+pipe = StableDiffusionXLInstantIDImg2ImgPipeline.from_pretrained("stablediffusionapi/albedobaseXL_v21",
                                                                  vae=vae,
                                                                  controlnet=[identitynet, zoedepthnet],
                                                                  torch_dtype=torch.float16)