Update of fresh image fails with "E: Repository [...] changed its 'Suite' value from 'stable' to 'oldstable'"

🐞 Problem

(previously posted in https://gitlab.com/librespacefoundation/satnogs/satnogs-client-ansible/-/issues/94#note_716442167 )

Updating a SatNOGS image with satnogs-setup fails with the following error:

Reading package lists... Done                                                                       
E: Repository 'http://raspbian.raspberrypi.org/raspbian buster InRelease' changed its 'Suite' value from 'stable' to 'oldstable'
N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details.
E: Repository 'http://archive.raspberrypi.org/debian buster InRelease' changed its 'Suite' value from 'testing' to 'oldstable'
N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details.

💡 Possible workaround

Run the following command once:

sudo apt-get update --allow-releaseinfo-change