Update aaa_base to version 84.87+git20210616.9cf42ff / rev 480 via SR 900346
https://build.opensuse.org/request/show/900346
by user lnussel + dimstar_suse
- Update to version 84.87+git20210616.9cf42ff:
* add media type application/wasm (boo#1187387)
* Remove legacy links in /sbin
* Fix profile.csh to really set http proxies