This update for yast2 and yast2-security fixes the following issues:

Changes in yast2:

Update to version 4.2.93:

- In `ShadowConfig` module consider only the `/etc/login.defs` file and ignore the `/etc/login.defs.d/`. (bsc#1184131)

Changes in yast2-security:

Update to version 4.2.25:

- Write shadow configuration to `/etc/login.defs` ignoring the `/etc/login.defs.d`. (bsc#1184131)

This update was imported from the SUSE:SLE-15-SP2:Update update project.