[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit 42bfcbd36cbf8e54b9dd42e9bc3448cf7aee4a2b
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Sep 29 09:57:17 2023 -0400

    opportunistic: use terminate_and_down_connections()
    
    ... in delete_group_instantiation()