### Is there an existing issue for this?

- [X] I have searched the existing issues and read the documentation

### Question

I am using serverless framework with localstack and I am unable to define an `AWS::OpenSearchService::Domain` resource. I guess I'll have to use `AWS::Elasticsearch::Domain` instead but it is deprecated. Are there any plans to add `AWS::OpenSearchService::Domain` resource soon? 

### Anything else?

_No response_
},
            {
                "SourceVersion": "Elasticsearch_7.9",
                "TargetVersions": ["Elasticsearch_7.10", "OpenSearch_1.0", "OpenSearch_1.1"],
            },
            {
                "SourceVersion": "Elasticsearch_7.8",
                "TargetVersions": [
                    "Elasticsearch_7.9",
                    "Elasticsearch_7.10",
                    "OpenSearch_1.1",
                    "OpenSearch_1.0",
                ],
            },
            {
                "SourceVersion": "Elasticsearch_7.7",
                "TargetVersions": [
                    "Elasticsearch_7.8",
                    "Elasticsearch_7.9",
                    "Elasticsearch_7.10",
                    "OpenSearch_1.0",
                    "OpenSearch_1.1",
                ],
            },
            {
                "SourceVersion": "Elasticsearch_7.4",
                "TargetVersions": [
                    "Elasticsearch_7.7",
                    "Elasticsearch_7.8",
                    "Elasticsearch_7.9",