This update for systemd fixes the following issues:
CVE-2021-33910: Fixed use of strdupa() on a path (bsc#1188063).
logind: terminate cleanly on SIGTERM/SIGINT (bsc#1188018).
Adopting BFQ to control I/O (jsc#SLE-21032, bsc#1134353).
Rules weren't applied to dm devices (multipath) (bsc#1188713).
Ignore obsolete 'elevator' kernel parameter (bsc#1184994, bsc#1190234).
Make sure the versions of both udev and systemd packages are always the same (bsc#1189480).
Avoid error message when udev is updated due to udev being already active when the sockets are started again (bsc#1188291).
Allow the systemd sysusers config files to be overriden during system installation (bsc#1171962).