Make `apt` shut up about "modernize-sources" in Trixie

Apt in Trixie (Debian 13) has the annoying function to tell you " Notice : Some sources can be modernized. Run apt modernize-sources to do so." ... every single time you run apt update . Not cool for logs and log monitoring. And - of course - if you had the option to do this, you ... would have run the indicated apt modernize-sources command to convert your sources.list to "deb822 .sources format"…