This bug was initially created as a copy of Bug #2095396

I am copying this bug because: 

It needs to get into Fedora first before implementing it in RHEL9.


Description of problem:
dhcp is using static useradd scripts

Version-Release number of selected component (if applicable):
dhcp-4.4.2-17.b1.el9

How reproducible:
100%

Steps to Reproduce:
1. review %pre
2.
3.

Actual results:
%pre server
# /usr/share/doc/setup/uidgid
%global gid_uid 177
getent group dhcpd >/dev/null || groupadd --force --gid %{gid_uid} --system dhcpd
if ! getent passwd dhcpd >/dev/null ; then
    if ! getent passwd %{gid_uid} >/dev/null ; then
      useradd --system --uid %{gid_uid} --gid dhcpd --home / --shell /sbin/nologin --comment "DHCP server" dhcpd
    else
      useradd --system --gid dhcpd --home / --shell /sbin/nologin --comment "DHCP server" dhcpd
    fi
fi
exit 0


Expected results:
use of system-sysusers 

Additional info:
https://www.freedesktop.org/software/systemd/man/systemd-sysusers.html
https://fedoraproject.org/wiki/Changes/Adopting_sysusers.d_format