fix: Restart rhsm service after installation

* Card ID: CCT-1027

Following the installation of the subscription-manager package, the dbus
service was not loaded as expected. This update addresses the problem by
ensuring that the dbus service is properly restarted after the
installation or upgrade process.

subscription-manager.spec

@@ -734,6 +734,7 @@ fi
 %endif
 
 %posttrans
+%systemd_posttrans_with_restart rhsm.service
 # Remove old *.egg-info empty directories not removed be previous versions of RPMs
 # due to this BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1927245
 rmdir %{python_sitearch}/subscription_manager-*-*.egg-info --ignore-fail-on-non-empty