Updates `lxd_container` to support new LXD API (#7980)
* feat: ✨ adds support for /1.0/instances endpoint
* Update changelogs/fragments/lxd-instances-api-endpoint-added.yml
Co-authored-by: Felix Fontein <felix@fontein.de>
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Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit 74c15c1241)
Co-authored-by: Anthony Anderson <fnanderson93@gmail.com>