https://github.com/localstack/localstack/blob/e7efc768a20e75feafe3702a5a6e477a233feff2/localstack/utils/aws/aws_stack.py#L904

```
File "/usr/local/lib/python3.8/site-packages/localstack/services/generic_proxy.py", line 50, in <module>
from localstack.utils.aws import aws_stack
File "/usr/local/lib/python3.8/site-packages/localstack/utils/aws/aws_stack.py", line 904, in <module>
) -> dict[str, str]:
TypeError: 'type' object is not subscriptable
```

Please fix to `Dict[str, str]`
)
        response_configs = [
            {"pattern": "^2.*", "code": success_code, "res_templates": res_templates},
            {"pattern": "^4.*", "code": client_error_code, "res_templates": {}},
            {"pattern": "^5.*", "code": server_error_code, "res_templates": {}},
        ]
        
        for response_config in response_configs:
            
            client.put_integration_response(
                restApiId=api_id,
                resourceId=resource_id,
                httpMethod=method["httpMethod"],
                statusCode=response_config["code"],
                responseTemplates=response_config["res_templates"],
                selectionPattern=response_config["pattern"],
            )
            
            client.put_method_response(
                restApiId=api_id,
                resourceId=resource_id,
                httpMethod=method["httpMethod"],
                statusCode=response_config["code"],
            )
def apigateway_invocations_arn(lambda_uri, region_name: str = None):
    return "arn:aws:apigateway:%s:lambda:path/2015-03-31/functions/%s/invocations" % (
        region_name or get_region(),
        lambda_uri,
    )
def get_opensearch_endpoint(domain_arn: str) -> str: