Add alias for group children of groups

awx_collection/plugins/modules/tower_group.py

@@ -53,6 +53,8 @@ options:
       required: False
       type: list
       elements: str
+      aliases:
+        - groups
     state:
       description:
         - Desired state of the resource.
@@ -98,7 +100,7 @@ def main():
         inventory=dict(required=True),
         variables=dict(type='dict', required=False),
         hosts=dict(type='list', elements='str'),
-        children=dict(type='list', elements='str'),
+        children=dict(type='list', elements='str', aliases=['groups']),
         state=dict(choices=['present', 'absent'], default='present'),
     )