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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()
```
self.client.post('{0}/functions/{1}/aliases'.format(lambda_api.PATH_ROOT, self.FUNCTION_NAME),
                         data=json.dumps({
                             'Name': self.ALIAS_NAME, 'FunctionVersion': '1', 'Description': ''}))
        response = self.client.put('{0}/functions/{1}/aliases/{2}'.format(lambda_api.PATH_ROOT, self.FUNCTION_NAME,
                                                                          self.ALIAS_NAME),
                                   data=json.dumps({'FunctionVersion': '$LATEST', 'Description': 'Test-Description'}))
        result = json.loads(response.get_data())
        result.pop('RevisionId', None)  
        expected_result = {'AliasArn': lambda_api.func_arn(self.FUNCTION_NAME) + ':' + self.ALIAS_NAME,
                           'FunctionVersion': '$LATEST', 'Description': 'Test-Description',
                           'Name': self.ALIAS_NAME}
        self.assertDictEqual(expected_result, result)
    def test_update_alias_on_non_existant_function_returns_error(self):
        with self.app.test_request_context():
            result = json.loads(lambda_api.update_alias(self.FUNCTION_NAME, self.ALIAS_NAME).get_data())
            self.assertEqual(self.RESOURCENOTFOUND_EXCEPTION, result['__type'])
            self.assertEqual(self.RESOURCENOTFOUND_MESSAGE % lambda_api.func_arn(self.FUNCTION_NAME),
                             result['message'])
    def test_update_alias_on_non_existant_alias_returns_error(self):
        with self.app.test_request_context():
            self._create_function(self.FUNCTION_NAME)
            result = json.loads(lambda_api.update_alias(self.FUNCTION_NAME, self.ALIAS_NAME).get_data())
            alias_arn = lambda_api.func_arn(self.FUNCTION_NAME) + ':' + self.ALIAS_NAME
            self.assertEqual(self.ALIASNOTFOUND_EXCEPTION, result['__type'])
            self.assertEqual(self.ALIASNOTFOUND_MESSAGE % alias_arn, result['message'])
    def test_get_alias(self):
        self._create_function(self.FUNCTION_NAME)
        self.client.post('{0}/functions/{1}/versions'.format(lambda_api.PATH_ROOT, self.FUNCTION_NAME))
        self.client.post('{0}/functions/{1}/aliases'.format(lambda_api.PATH_ROOT, self.FUNCTION_NAME),
                         data=json.dumps({