ElasticContainer: Use Elasticsearch 6.7.2 for V6_7 tests

Change-Id: Ic366e2c9e78178dcf7528d54d7e877961ee7ebd6
1 file changed
tree: 46ced78439575cf1bc41f42f0d2235c19aa0a265
  1. gerrit-acceptance-tests/
  2. gerrit-elasticsearch/
  3. gerrit-pgm/