Reviewed-on: https://git.query.consul/unkin/packer-images/pulls/11
- add incus-images backend - set incus-images as default backend Reviewed-on: https://git.query.consul/unkin/packer-images/pulls/10
- add base image for docker and incus - manage images for almalinux 8.10 and 9.5 - replace all existing docker build repos