plugins.tv8: fix plugin with new api
plugins.tv8: fix plugin with new api

API

https://static.personamedia.tv/player/config/tv8.json

```json
{
  "servers": {
    "manifest": "https://tv8.personamedia.tv/tv8",
    "hlsmanifest": "https://tv8.personamedia.tv/tv8hls?fmt=hls",
    "api": "https://service.personamedia.tv/"
  },
}
```

closes https://github.com/streamlink/streamlink/issues/3079

streamlink/streamlink,beardypig/streamlink,bastimeyer/streamlink,beardypig/streamlink,melmorabity/streamlink,chhe/streamlink,gravyboat/streamlink,gravyboat/streamlink,bastimeyer/streamlink,chhe/streamlink,melmorabity/streamlink,streamlink/streamlink