chore(deps): update docker.elastic.co/elasticsearch/elasticsearch docker tag to v8.15.1#756

tobio merged 1 commit intomainelastic/terraform-provider-elasticstack:mainfrom

renovate/docker.elastic.co-elasticsearch-elasticsearch-8.xelastic/terraform-provider-elasticstack:renovate/docker.elastic.co-elasticsearch-elasticsearch-8.xCopy head branch name to clipboard