### Is there an existing issue for this?

- [X] I have searched the existing issues

### Feature description

As a DEVELOPER for a Bayer project we need LocalStack with Elastic Search version 7.10.

In version 7.10 `case_insensitive` option were be added. [Term Query Doc](https://www.elastic.co/guide/en/elasticsearch/reference/7.10/query-dsl-term-query.html)

## Remarks
- 7.10 is the latest version under free Apache 2.0 license.
- Switching to [Opensearch](https://github.com/opensearch-project/OpenSearch) would be also possible.

### 🧑‍💻 Implementation

_No response_

### Anything else?

_No response_
from moto import core as moto_core
    from moto.core import models as moto_core_models
    moto_core.ACCOUNT_ID = moto_core_models.ACCOUNT_ID = MOTO_ACCOUNT_ID
except Exception:
    
    pass
AWS_REGION_US_EAST_1 = "us-east-1"
DEFAULT_LAMBDA_CONTAINER_REGISTRY = "lambci/lambda"
try:
    MAX_POOL_CONNECTIONS = int(os.environ["MAX_POOL_CONNECTIONS"])
except Exception:
    MAX_POOL_CONNECTIONS = 150
TEST_AWS_ACCESS_KEY_ID = "test"
TEST_AWS_SECRET_ACCESS_KEY = "test"
INTERNAL_AWS_ACCESS_KEY_ID = "__internal_call__"
INTERNAL_AWS_SECRET_ACCESS_KEY = "__internal_call__"
LS_LOG_TRACE = "trace"
LS_LOG_TRACE_INTERNAL = "trace-internal"
TRACE_LOG_LEVELS = [LS_LOG_TRACE, LS_LOG_TRACE_INTERNAL]
OFFICIAL_IMAGES = [
    "localstack/localstack",
    "localstack/localstack-light",
    "localstack/localstack-full",
]
S3_VIRTUAL_HOSTNAME = "s3.%s" % LOCALHOST_HOSTNAME
S3_STATIC_WEBSITE_HOSTNAME = "s3-website.%s" % LOCALHOST_HOSTNAME
DEFAULT_DEVELOP_PORT = 5678
DEFAULT_BUCKET_MARKER_LOCAL = "__local__"
OS_USER_ELASTICSEARCH = "localstack"