This update provides and lxd update to LXD 5.6. (boo#1203731)

The full upstream changelog is available from:
https://discuss.linuxcontainers.org/t/lxd-5-6-has-been-released/15191

LXD 5.6:

+ Grafana Loki support
+ Object storage on local storage pools
+ Infiniband support for virtual machines
+ Restricted network access in projects
+ instance-ready lifecycle event
+ Metric for total effective CPUs

LXD 5.5:

+ Storage buckets (on Ceph)
+ Instance Ready state
+ Configurable BGP hold time
+ All projects queries for storage volumes
+ OOM kill counter in metrics
* Database optimization

LXD 5.4:

+ Load-balancers (OVN)
+ Bi-directional vsock interface (VM)
* Changes to vsock API (LXD VMs)