[lxd] and [lxc] are outdated

[slurpee]

Upstream packages are 5.5-1 and 5.0.1-1, respectfully; both aarch64 and armv7h are behind. In a mixed-architecture clustered LXD environment, a version mismatch breaks clusters because of database schema validation issues.

https://archlinux.org/packages/community/x86_64/lxd/
https://archlinux.org/packages/community/x86_64/lxc/