update entries of debian(ports) architectures on page

Hi,

Maybe you have know the news loong64 has be added into debian-ports[0]
but I noticed the page does not to be refreshed for loong64, like:
https://packages.debian.org/unstable/cgit

So could you have a look at this?

BR,
Bo

BTW,
I am not sure this is right place to ask or not because I see

```
report bug of the site please send mail to [email protected]
```
[0]: https://lists.debian.org/debian-devel-announce/2023/08/msg00000.html