Update docker.elastic.co/ci-agent-images/eck-region/buildkite-agent Docker tag to v1.15 (9.0)#134828

elasticsearchmachine merged 1 commit into9.0elastic/elasticsearch:9.0from

renovate/9.0-docker.elastic.co-ci-agent-images-eck-region-buildkite-agent-1.xelastic/elasticsearch:renovate/9.0-docker.elastic.co-ci-agent-images-eck-region-buildkite-agent-1.xCopy head branch name to clipboard