#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.
for i in range(len(statement_ids)):
            self.assertEqual(statements[i]['Action'], action)
            self.assertEqual(statements[i]['Resource'], lambda_api.func_arn(function_name))
            self.assertEqual(statements[i]['Principal']['Service'], principal)
            self.assertEqual(statements[i]['Condition']['ArnLike']['AWS:SourceArn'],
                             aws_stack.s3_bucket_arn('test-bucket'))
            
            self.assertEqual(statements[i]['Sid'], statement_ids[abs(i - 1)])
        
        resp = lambda_client.remove_permission(FunctionName=function_name,
                                               StatementId=sid, Qualifier='qual1', RevisionId='r1')
        self.assertEqual(resp['ResponseMetadata']['HTTPStatusCode'], 200)
        lambda_client.delete_function(FunctionName=function_name)
    def test_lambda_asynchronous_invocations(self):
        function_name = 'lambda_func-{}'.format(short_uid())
        testutil.create_lambda_function(
            handler_file=TEST_LAMBDA_ECHO_FILE,
            func_name=function_name,
            runtime=LAMBDA_RUNTIME_PYTHON36
        )
        lambda_client = aws_stack.connect_to_service('lambda')
        
        response = lambda_client.put_function_event_invoke_config(
            FunctionName=function_name,
            MaximumRetryAttempts=123,
            MaximumEventAgeInSeconds=123,
            DestinationConfig={
                'OnSuccess': {
                    'Destination': function_name
                },