[automation] update elastic stack version for testing 8.4.0-40cff009#557

Merged

mergify[bot] merged 1 commit intomainfrom update-stack-version-20220615051733-main

Jun 15, 2022

+2-2

Commits on Jun 15, 2022

[Automation] Update elastic stack version to 8.4.0-40cff009 for testing
apmmachine
committed