#2093  # Type of request: This is a ...

[*] bug report
[ ] feature request

# Detailed description
Unable to invoke lambda function compiled in java 11. Localstack latest image still shows java version 8.

## Expected behavior
Should be able to invoke lambda function compiled in java 11.

## Actual behavior
Getting error-
Exception in thread "main" java.lang.UnsupportedClassVersionError: publisFunction has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0

# Steps to reproduce

docker-compose up -d
Create lambda function
Create SQS 
map lambda and sqs
send message to SQS to invoke lambda

Error message SS:
![image](https://user-images.githubusercontent.com/54183749/96603894-1a561c00-12ba-11eb-9d40-a19370a7c3aa.png)

![LS_error](https://user-images.githubusercontent.com/54183749/96603954-293cce80-12ba-11eb-9566-3942f96e564a.png)


Similar issue was reported #2093.  Couldn't find the answer if that was fixed and latest image of Localstack should compile in JAVA 11.
self.lambda_client.invoke(
            FunctionName=function_name,
            Payload=json.dumps({
                'state_machine_arn': sm_arn,
                'region_name': config.DEFAULT_REGION,
                'input': {}
            })
        )
        time.sleep(1)
        rs = sfn_client.list_executions(
            stateMachineArn=sm_arn
        )
        
        self.assertEqual(
            len([ex for ex in rs['executions'] if ex['stateMachineArn'] == sm_arn]),
            1
        )
        
        testutil.delete_lambda_function(function_name)
        testutil.delete_lambda_function(resource_lambda_name)
        
        sfn_client.delete_state_machine(stateMachineArn=sm_arn)
    def create_multiple_lambda_permissions(self):
        iam_client = aws_stack.connect_to_service('iam')
        lambda_client = aws_stack.connect_to_service('lambda')
        role_name = 'role-{}'.format(short_uid())
        assume_policy_document = {
            'Version': '2012-10-17',
            'Statement': [
                {