Update elastic suite to 6.8.5

[otis]

Summary

Update elasticsearch6, kibana6, logstash6 and beats to 6.8.5

[lwhsu]

This seems the same as D22531 D22532 D22533 D22534 ?

[otis]

In D22535#492784, @lwhsu wrote:

This seems the same as D22531 D22532 D22533 D22534 ?

Yes, this one was created by my accidental misuse of arc diff.

[lwhsu]

In D22535#492799, @otis_sk.freebsd.org wrote:

Yes, this one was created by my accidental misuse of arc diff.

Then you may abandon this perhaps.

[otis]

Revision intentionally abandoned.