Update error on fresh install

[j0rge]

Looks like you installed from an old ISO, follow these steps:

Important announcement regarding system updates [Action needed]

If you use Bazzite, Bluefin, Aurora, uCore, or any other Universal Blue image (including our toolboxes) then you need to follow the instructions in this announcement in order to ensure that your device is getting updates. We were rotating our cosign keypairs this morning, which is the method that we use to sign our images. During this process I made a critical error which has resulted in forcing you to take manual steps to migrate to our newly signed images. All existing Universal Blue image…