Update elasticsearch-rest-client to 7.4.2

Also use this version for the test image.

Change-Id: Id9fed03f8251861017f26791d5c59e0b7fa6af5a
1 file changed
tree: bc210c02f49b9d2f49b729cda1b16fe8258c1aa1
  1. gerrit-acceptance-tests/
  2. gerrit-elasticsearch/
  3. gerrit-pgm/