Upgrade elasticsearch 6.4.3

Another security issue identified that 6.4.0 through
6.4.2 is vulnerable to Insuffiencient Authentication.

Looks like 6.4.3 fixes that issue.

Issue-ID: POLICY-1538
Change-Id: Ica0ed5669395b480222746f16f4732d4792c8b90
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>
1 file changed