### Is there an existing issue for this?

- [X] I have searched the existing issues

### Feature description

The use case I have in mind is to run Node 16.x Lambdas - the default container registry is `lambci/lambda` which is effectively abandoned. [Not even Node 14.x has been published](https://github.com/lambci/docker-lambda/pull/330). However, switching the registry over to [`amazon/aws-lambda-nodejs`](https://hub.docker.com/r/amazon/aws-lambda-nodejs) still fails to pull the container, since localstack is looking for the tag `nodejs16.x`. I'd like to be able to specify that if the runtime is `nodejs16.x` it just looks for tag `16`.

### 🧑‍💻 Implementation

_No response_

### Anything else?

_No response_
data_before = b'{"foo": "bar with \'quotes\\""}'
        result = lambda_client.invoke(
            FunctionName=function_name, Payload=data_before, Qualifier=qualifier
        )
        result = read_streams(result)
        snapshot.match("invocation-response", result)
        data_after = json.loads(result["Payload"])
        assert json.loads(to_str(data_before)) == data_after["event"]
        context = data_after["context"]
        assert response["Version"] == context["function_version"]
        assert context.get("aws_request_id")
        assert function_name == context["function_name"]
        assert f"/aws/lambda/{function_name}" == context["log_group_name"]
        assert context.get("log_stream_name")
        assert context.get("memory_limit_in_mb")
        
        expected = [".*Lambda log message - print function.*"]
        if use_docker():
            
            
            expected.append(".*Lambda log message - logging module.*")
        def check_logs():
            check_lambda_logs(function_name, expected_lines=expected)
        retry(check_logs, retries=10)
        lambda_client.delete_function(FunctionName=function_name)
    @parametrize_python_runtimes
    @pytest.mark.skip_snapshot_verify
    def test_upload_lambda_from_s3(
        self,
        lambda_client,