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# Type of request: This is a ...

[x] bug report
[ ] feature request

# Detailed description

When using java-aws-sdk `CreateFunctionRequest` and `UpdateFunctionCodeRequest` with `publish` flag set to `true` should publish new version of lambda function. When I tried such operations against localstack container in version `localstack/localstack:0.11.2` those operations didn't publish new function version.

## Expected behavior

`CreateFunctionResponse` nad `UpdateFunctionCodeResponse` when `publish` flag is set to `true` will return under `version` field new version of changed AWS lambda function.

## Actual behavior

Even flag `publish` is set to `true`, above operations responses return in version `$LATEST` value what indicate that operation didn't produce new function version

# Steps to reproduce
- check available versions of given function
- create function or update existing with `publish` flag set to `true`
```
CreateFunctionRequest.builder
      .functionName(functionName)
      .runtime(runtimeName)
      .handler(handlerName)
      .layers(functionLayers)
      .role(lambdaExecutionRole)
      .tags(cdsLambdaTags)
      .memorySize(memorySize)
      .code(functionCode)
      .publish(true)
      .build
//or
UpdateFunctionCodeRequest.builder()
      .functionName(functionName)
      .zipFile(functionCode.zipFile())
      .publish(true)
      .build()
```
- check available versions of given function

## Command used to start LocalStack

Used testcontainers java localstack library.

## Client code (AWS SDK code snippet, or sequence of "awslocal" commands)

```
CreateFunctionRequest.builder
      .functionName(functionName)
      .runtime(runtimeName)
      .handler(handlerName)
      .layers(functionLayers)
      .role(lambdaExecutionRole)
      .tags(cdsLambdaTags)
      .memorySize(memorySize)
      .code(functionCode)
      .publish(true)
      .build
//or
UpdateFunctionCodeRequest.builder()
      .functionName(functionName)
      .zipFile(functionCode.zipFile())
      .publish(true)
      .build()
```
if previous_policy:
        statment_with_sid = next((statement for statement in previous_policy['Statement'] if statement['Sid'] == sid),
            None)
        if statment_with_sid:
            return error_response('The statement id (%s) provided already exists. Please provide a new statement id,'
                        ' or remove the existing statement.' % sid, 400, error_type='ResourceConflictException')
        new_policy['Statement'].extend(previous_policy['Statement'])
        iam_client.delete_policy(PolicyArn=previous_policy['PolicyArn'])
    iam_client.create_policy(PolicyName=POLICY_NAME_PATTERN % function,
                            PolicyDocument=json.dumps(new_policy),
                            Description='Policy for Lambda function "%s"' % function)
    result = {'Statement': json.dumps(new_policy['Statement'][0])}
    return jsonify(result)
@app.route('%s/functions/<function>/policy/<statement>' % PATH_ROOT, methods=['DELETE'])
def remove_permission(function, statement):
    qualifier = request.args.get('Qualifier')
    iam_client = aws_stack.connect_to_service('iam')
    policy = get_lambda_policy(function)
    if not policy:
        return error_response('Unable to find policy for Lambda function "%s"' % function,
            404, error_type='ResourceNotFoundException')
    iam_client.delete_policy(PolicyArn=policy['PolicyArn'])
    result = {
        'FunctionName': function,
        'Qualifier': qualifier,
        'StatementId': policy['Statement'][0]['Sid'],
    }
    return jsonify(result)
@app.route('%s/functions/<function>/policy' % PATH_ROOT, methods=['GET'])
def get_policy(function):