one_vm: Fix typo in error message. (#65253)

##### SUMMARY
Fix a (likely) copy+paste error in error message in the `one_vm` module.


##### ISSUE TYPE
- Docs Pull Request

+label: docsite_pr

lib/ansible/modules/cloud/opennebula/one_vm.py

@@ -1445,7 +1445,7 @@ def main():
         datastore_id = get_datastore_id(module, one_client, requested_datastore_id, requested_datastore_name)
         if datastore_id is None:
             if requested_datastore_id:
-                module.fail_json(msg='There is no datastore with template_id: ' + str(requested_datastore_id))
+                module.fail_json(msg='There is no datastore with datastore_id: ' + str(requested_datastore_id))
             elif requested_datastore_name:
                 module.fail_json(msg="There is no datastore with name: " + requested_datastore_name)
         else: