Upgrade elasticsearch-rest-client to 7.10.1. Add V7_10 to the version manager and use it for all the V7 tests. Change-Id: Ifb941eea63b90e107ae37c6a08ab1815d6c0f22b
Upgrade elasticsearch-rest-client to 7.10.1. Add V7_10 to the version manager and use it for all the V7 tests. Change-Id: Ifb941eea63b90e107ae37c6a08ab1815d6c0f22b