$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.3 LTS
Release: 22.04
Codename: jammy
$ sudo apt update
Hit:1 http://us.archive.ubuntu.com/ubuntu jammy InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu jammy-updates InRelease
Hit:3 http://us.archive.ubuntu.com/ubuntu jammy-backports InRelease
Hit:4 https://downloads.plex.tv/repo/deb public InRelease
Hit:5 http://as-repository.openvpn.net/as/debian jammy InRelease
Hit:6 http://us.archive.ubuntu.com/ubuntu jammy-security InRelease
Hit:7 https://dl.google.com/linux/chrome/deb stable InRelease
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
1 package can be upgraded. Run 'apt list --upgradable' to see it.
W: http://us.archive.ubuntu.com/ubuntu/...mmy/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/as-repo-public.gpg are ignored as the file has an unsupported filetype.
W: http://us.archive.ubuntu.com/ubuntu/...tes/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/as-repo-public.gpg are ignored as the file has an unsupported filetype.
W: http://us.archive.ubuntu.com/ubuntu/...rts/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/as-repo-public.gpg are ignored as the file has an unsupported filetype.
W: http://us.archive.ubuntu.com/ubuntu/...ity/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/as-repo-public.gpg are ignored as the file has an unsupported filetype.
W: https://dl.google.com/linux/chrome/d...ble/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/as-repo-public.gpg are ignored as the file has an unsupported filetype.
$ file /etc/apt/trusted.gpg.d/as-repo-public.gpg
/etc/apt/trusted.gpg.d/as-repo-public.gpg: PGP public key block Public-Key (old)
Any ideas on how to correct the issue would be greatly appreciated.