fix yolov5 transfer turorial export command

export model path did not match train project

Author: bfineran

src/content/get-started/transfer-a-sparsified-model/cv-object-detection.mdx

@@ -63,6 +63,6 @@ It is now ready for deployment with the DeepSparse Engine utilizing its pipeline
 
 ```bash
 $ sparseml.yolov5.export_onnx \
-    --weights yolov5/sparsified/weights/best.pt \
+    --weights yolov5l/sparsified/weights/best.pt \
     --dynamic
 ```