ElasticContainer: Upgrade to 6.8.2 image for V6_8 tests

Change-Id: I4431a6a7939f9ee1a81c3f37b8315b5906de7bfd
1 file changed
tree: 4fbec3fdcc04940ae14d9d7399bee9961a96caf6
  1. gerrit-acceptance-tests/
  2. gerrit-elasticsearch/
  3. gerrit-pgm/