Can't update past 10.8.3 on Raspberry Pi

[fbueller]

Here you go! I do think many of my apps aren't upgrading -

Hit:1 http://deb.debian.org/debian buster InRelease
Get:2 https://downloads.plex.tv/repo/deb public InRelease [6685 B]
Hit:3 http://raspbian.raspberrypi.org/raspbian buster InRelease
Hit:4 http://archive.raspberrypi.org/debian buster InRelease
Get:5 https://repo.jellyfin.org/debian buster InRelease [6601 B]
Get:6 https://downloads.plex.tv/repo/deb public/main armhf Packages [428 B]
Fetched 13.7 kB in 3s (4274 B/s)
Reading package lists... Done
Building dependency tree
Reading state information... Done
All packages are up to date.