Change raw.github.com to raw.githubusercontent.com
Change raw.github.com to raw.githubusercontent.com

```
> GET /Chocobozzz/PeerTube/master/support/docker/production/.env HTTP/1.1
> Host: raw.github.com
> User-Agent: curl/7.58.0
> Accept: */*
>
< HTTP/1.1 301 Moved Permanently
< Location: https://raw.githubusercontent.com/Chocobozzz/PeerTube/master/support/docker/production/.env
```
Chocobozzz/PeerTube,Chocobozzz/PeerTube,Chocobozzz/PeerTube,Chocobozzz/PeerTube