Type conversion issue for creating read replicas (ansible-collections…

…#229)

* Type conversion issue for creating read replicas
* Added changelog snippet
* Updated tests

This commit was initially merged in https://github.com/ansible-collections/community.aws
See: ansible-collections/community.aws@cd938b2

plugins/modules/rds_instance.py

@@ -842,8 +842,10 @@ def get_parameters(client, module, parameters, method_name):
     if parameters.get('ProcessorFeatures') == [] and not method_name == 'modify_db_instance':
         parameters.pop('ProcessorFeatures')
 
-    if method_name == 'create_db_instance' and parameters.get('Tags'):
-        parameters['Tags'] = ansible_dict_to_boto3_tag_list(parameters['Tags'])
+    if method_name == 'create_db_instance' or method_name == 'create_db_instance_read_replica':
+        if parameters.get('Tags'):
+            parameters['Tags'] = ansible_dict_to_boto3_tag_list(parameters['Tags'])
+
     if method_name == 'modify_db_instance':
         parameters = get_options_with_changing_values(client, module, parameters)