php-pam: зависит от: phpapi-20180731, но его нельзя установить

на Ubuntu Desktop 20.04 с PHP 7.4

apt install php-pam

Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 php-pam : Depends: phpapi-20180731 but it is not installable
E: Unable to correct problems, you have held broken packages.`

apt-cache policy php-pam
php-pam:
  Installed: (none)
  Candidate: 1.0.3-1+deb10u1
  Version table:
     1.0.3-1+deb10u1 500
        500 http://packages.openmediavault.org/public usul/main amd64 Packages

Я нашел предложение, как исправить это только сейчас на устаревшем PHP5 .

Есть какие-нибудь подсказки, как исправить эту ошибку в PHP7?