Update aaa_base to rev 475 via SR 835405
https://build.opensuse.org/request/show/835405
by user dimstar_suse
- Update to version 84.87+git20200918.331aa2f:
* sysctl.d/50-default.conf: fix ping_group_range syntax error
* alias.bash check if ip command knows color=auto (jsc#SLE-7679)