[automation] update elastic stack version for testing 8.4.0-164d9a10#705

Merged

mergify[bot] merged 1 commit intomainfrom update-stack-version-20220712051409-main

Jul 12, 2022

+2-2

Commits on Jul 12, 2022

[Automation] Update elastic stack version to 8.4.0-164d9a10 for testing
apmmachine
committed