tree cb7a94aaef4489c64a0f4fd7910d3a76da937678
parent 8c44f92d9321457a76eb35bf6a9e65c81972097f
author David Pursehouse <dpursehouse@collab.net> 1564708739 +0900
committer David Pursehouse <dpursehouse@collab.net> 1564708739 +0900

Upgrade elasticsearch-rest-client to 7.2.1

Also update ElasticContainer to use this version for tests.

Note that Elasticsearch version 7.3 is now available, but upgrading
to use that is out of this commit's scope and will be done separately.

Change-Id: I457de1afef96b5bf19cfbe6aedfd08e622d6f9b5