[automation] update elastic stack version for testing 8.4.0-4fe26f2a#591

Merged

mergify[bot] merged 1 commit intomainfrom update-stack-version-20220622051809-main

Jun 22, 2022

+2-2

Commits on Jun 22, 2022

[Automation] Update elastic stack version to 8.4.0-4fe26f2a for testing
apmmachine
committed