net/cloud-init*: update to 23.4.1
Changelog(s):
- https://github.com/canonical/cloud-init/releases/tag/23.4.1
- https://github.com/canonical/cloud-init/releases/tag/23.4
Note that net/cloud-init-devel finally relocates /run to /var/run
See: https://github.com/canonical/cloud-init/pull/4677
PR: 275896