Use %sysusers_create_compat instead of useradd

See https://docs.fedoraproject.org/en-US/packaging-guidelines/UsersAndGroups/

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2046458

setroubleshoot.spec

@@ -9,6 +9,7 @@ License: GPLv2+
 URL: https://gitlab.com/setroubleshoot/setroubleshoot
 Source0: https://gitlab.com/setroubleshoot/setroubleshoot/-/archive/%{version}/setroubleshoot-%{version}.tar.gz
 Source1: %{name}.tmpfiles
+Source2: %{name}.sysusers
 # git format-patch -N 3.3.27
 # i=1; for j in 00*patch; do printf "Patch%04d: %s\n" $i $j; i=$((i+1));done
 BuildRequires: gcc
@@ -39,7 +40,6 @@ Requires: xdg-utils
 %global pkgvardatadir %{_localstatedir}/lib/%{name}
 %global pkgconfigdir  %{_sysconfdir}/%{name}
 %global pkgdatabase   %{pkgvardatadir}/setroubleshoot_database.xml
-%global username      setroubleshoot
 
 %description
 setroubleshoot GUI. Application that allows you to view setroubleshoot-server
@@ -113,7 +113,7 @@ about the problem and help track its resolution. Alerts can be configured
 to user preference. The same tools can be run on existing log files.
 
 %pre server
-getent passwd %{username} >/dev/null || useradd -r -U -s /sbin/nologin -d %{pkgvardatadir} %{username}
+%sysusers_create_compat %{SOURCE2}
 
 %post server
 /sbin/service auditd reload >/dev/null 2>&1 || :

setroubleshoot.sysusers

@@ -0,0 +1 @@
+u setroubleshoot - "SELinux troubleshoot server" /var/lib/setroubleshoot