Bulk migration to Python 3.6 f-strings (ansible-collections#1810)

Bulk migration to Python 3.6 f-strings

SUMMARY
We've dropped support for Python <3.6, bulk migrate to fstrings and perform some general string cleanup
A combination of

black --preview
flynt
some manual cleanup

ISSUE TYPE

Feature Pull Request

COMPONENT NAME
plugins/
tests/
ADDITIONAL INFORMATION

Reviewed-by: Alina Buzachis

This commit was initially merged in https://github.com/ansible-collections/community.aws
See: ansible-collections/community.aws@de33821

plugins/modules/autoscaling_instance_refresh.py

@@ -229,7 +229,7 @@ def start_or_cancel_instance_refresh(conn, module):
         result = dict(instance_refreshes=camel_dict_to_snake_dict(instance_refreshes["InstanceRefreshes"][0]))
         return module.exit_json(**result)
     except (BotoCoreError, ClientError) as e:
-        module.fail_json_aws(e, msg="Failed to {0} InstanceRefresh".format(asg_state.replace("ed", "")))
+        module.fail_json_aws(e, msg=f"Failed to {asg_state.replace('ed', '')} InstanceRefresh")
 
 
 def main():