Adds `%config(noreplace)` to `config.yaml`. This prevents the package
from overwriting the user's edited configuration upon update, and
instead adds the new default configuration as a `.rpmnew` file for the
user to potentially consider.
%files -n knot-resolver-manager
%{python3_sitearch}/knot_resolver_manager*
-%{_sysconfdir}/knot-resolver/config.yaml
+%config(noreplace) %{_sysconfdir}/knot-resolver/config.yaml
%{_unitdir}/knot-resolver.service
%{_bindir}/kresctl
%{_bindir}/knot-resolver