Update HUB banner image (#10134)

* Update HUB banner image

Passed through tinypng for filesize reduction

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update README_cn.md

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

* Update README_cn.md

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>

.github/README_cn.md

@@ -177,7 +177,7 @@ python train.py --data coco.yaml --epochs 300 --weights '' --cfg yolov5n.yaml  -
 [Ultralytics HUB](https://bit.ly/ultralytics_hub) is our ⭐ **NEW** no-code solution to visualize datasets, train YOLOv5 🚀 models, and deploy to the real world in a seamless experience. Get started for **Free** now!
 
 <a align="center" href="https://bit.ly/ultralytics_hub" target="_blank">
-<img width="100%" src="https://user-images.githubusercontent.com/107626595/198593785-1463295f-cd43-4dbc-9b96-b6733c5720bf.png"></a>
+<img width="100%" src="https://github.com/ultralytics/assets/raw/master/im/ultralytics-hub.png"></a>
 
 
 ## <div align="center">为什么选择 YOLOv5</div>