CLSA-2024-1711562715 systemd: Fix of CVE-2023-26604

Moved tuxcare patches from 219-78.7.tuxcare.els1 - CVE-2023-26604: use only less as a pager and restrict its functionality e.g stop running external shell unless environment variable SYSTEMDPAGERSECURE is defined...

CLSA-2023-1698690423 systemd: Fix of CVE-2023-26604

CVE-2023-26604: use only less as a pager and restrict its functionality e.g stop running external shell unless environment variable SYSTEMDPAGERSECURE is defined...