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

[Andrew Cagney]

New commits:
commit f972ddcacc81b4b696f67f48012ab6b683cfd54c
Author: Andrew Cagney <cagney at gnu.org>
Date:   Wed May 17 19:22:23 2023 -0400

    connections: add opportunistic(c), use

commit 7ce91734d2b62ff1d67cad7d79c27f2776dcd880
Author: Andrew Cagney <cagney at gnu.org>
Date:   Wed May 17 19:06:19 2023 -0400

    connections: add never_negotiate(c)