Above solution works.
PLESK 18.0.70 #2
but.... Settings:
Automatically install Plesk updates (Recommended) - OFF
Automatically install updates for third-party components shipped by Plesk -OFF
Automatically install system package updates Note that this will also automatically install updates...
I confirm the bug on PLESK versions from 18.0.64 upwards for Ubuntu 24.04.
untrusted public key algorithm: dsa1024 for PHP7.4, grafana, PHP8.0
No error for: PHP8.1, 8.2, 8.3