[automation] update elastic stack version for testing 7.17.0-ab4975a2#29956

Merged

mergify[bot] merged 1 commit into7.17from update-stack-version-20220124050920-7.17

Jan 24, 2022

+6-6

Commits on Jan 24, 2022

[Automation] Update elastic stack version to 7.17.0-ab4975a2 for testing
apmmachine
committed