N: Repository 'http://security.debian.org bullseye-security InRelease' changed its 'Suite' value from 'stable-security' to 'oldstable-security'

N: Repository 'http://deb.debian.org/debian bullseye InRelease' changed its 'Version' value from '11.3' to '11.8'

N: Repository 'http://deb.debian.org/debian bullseye InRelease' changed its 'Suite' value from 'stable' to 'oldstable'

N: Repository 'http://deb.debian.org/debian bullseye-updates InRelease' changed its 'Suite' value from 'stable-updates' to 'oldstable-updates'

penyelesaian nya adalah sudo apt-get --allow-releaseinfo-change update