[updatecli] update elastic stack version for testing 9.1.0-bd4b0f7d#45330

mergify[bot] merged 1 commit into9.1elastic/beats:9.1from

updatecli_9.1_bump-elastic-stack-snapshot-9.1elastic/beats:updatecli_9.1_bump-elastic-stack-snapshot-9.1Copy head branch name to clipboard