Signature key uses weak algorithm (rsa1024)

[FreddyM]

Hallo
With every update the following message appears

apt update
OK:1 http://archive.ubuntu.com/ubuntu noble InRelease
OK:2 http://archive.ubuntu.com/ubuntu noble-updates InRelease
OK:3 http://archive.ubuntu.com/ubuntu noble-backports InRelease
OK:4 http://archive.ubuntu.com/ubuntu noble-security InRelease
OK:6 https://dl.google.com/linux/chrome/deb stable InRelease                                                                     
OK:7 https://ppa.launchpadcontent.net/mozillateam/ppa/ubuntu noble InRelease                         
OK:8 https://ppa.launchpadcontent.net/mozilla...ext/ubuntu noble InRelease
OK:9 https://packages.mozilla.org/apt mozilla InRelease
OK:5 https://repo.linuxliteos.com/linuxlite galena InRelease
Paketlisten werden gelesen… Fertig
Abhängigkeitsbaum wird aufgebaut… Fertig
Statusinformationen werden eingelesen… Fertig
Aktualisierung für 5 Pakete verfügbar. Führen Sie »apt list --upgradable« aus, um sie anzuzeigen.
W: https://ppa.launchpadcontent.net/mozilla.../InRelease: Signature by key 0AB215679C571D1C8325275B9BDB3D89CE49EC21 uses weak algorithm (rsa1024)
W: https://ppa.launchpadcontent.net/mozilla.../InRelease: Signature by key 0AB215679C571D1C8325275B9BDB3D89CE49EC21 uses weak algorithm (rsa1024)