[automation] update elastic stack version for testing 8.4.0-3ad82aa8#661

Merged

mergify[bot] merged 1 commit intomainfrom update-stack-version-20220704051613-main

Jul 4, 2022

+2-2

Commits on Jul 4, 2022

[Automation] Update elastic stack version to 8.4.0-3ad82aa8 for testing
apmmachine
committed