Failed to download densepose_posetrack_train2017.json and densepose_posetrack_val2017.json

1. What exact command you run:
```
wget https://dl.fbaipublicfiles.com/densepose/annotations/coco/densepose_posetrack_train2017.json
wget https://dl.fbaipublicfiles.com/densepose/annotations/coco/densepose_posetrack_val2017.json
```
2. __Full logs__ or other relevant observations:
```
--2022-06-23 17:41:51-- https://dl.fbaipublicfiles.com/densepose/annotations/coco/densepose_posetrack_val2017.json
正在解析主机 dl.fbaipublicfiles.com (dl.fbaipublicfiles.com)... 172.67.9.4, 104.22.75.142, 104.22.74.142
正在连接 dl.fbaipublicfiles.com (dl.fbaipublicfiles.com)|172.67.9.4|:443... 已连接。
已发出 HTTP 请求，正在等待回应... 403 Forbidden
2022-06-23 17:41:52 错误 403：Forbidden。
```