[cloud] Cast port to an integer in elb_application_lb listener spec (#28341)

lib/ansible/modules/cloud/amazon/elb_application_lb.py

@@ -628,6 +628,7 @@ def compare_listeners(connection, module, current_listeners, new_listeners, purg
     for current_listener in current_listeners:
         current_listener_passed_to_module = False
         for new_listener in new_listeners[:]:
+            new_listener['Port'] = int(new_listener['Port'])
             if current_listener['Port'] == new_listener['Port']:
                 current_listener_passed_to_module = True
                 # Remove what we match so that what is left can be marked as 'to be added'