pkg: rpm: package provides user/group
Returning to the users/groups static creation from systemd's sysusers and declaring user/group provision in the package.
For now it is easier to use this simple fix because we have problem to make sysusers working in Alma9/10 (closes !1836 (closed)).
COPR build looks good: https://copr.fedorainfracloud.org/coprs/g/cznic/testing/build/10479080/