change the detection model to retinaface

configs/sample/iddpm_ffhq512_swinir.yaml

@@ -60,5 +60,5 @@ model_ir:
 
 # face detection model for unaligned face
 detection:
-  det_model: "YOLOv5l"  # large model: 'YOLOv5l', 'retinaface_resnet50'; small model: 'YOLOv5n', 'retinaface_mobile0.25'
+  det_model: "retinaface_resnet50"  # large model: 'YOLOv5l', 'retinaface_resnet50'; small model: 'YOLOv5n', 'retinaface_mobile0.25'
   upscale: 2            # The final upscaling factor for the whole image