libvirt: update to 9.5.0
Changes:
- qemu: Allow configuring the `discard-no-unref feature of qcow2` driver
- qemu: Include maximum physical address size in baseline CPU
- conf: Properly handle slots for non-DIMM `<memory>` devices
- `passt` log and port forwarding improvements
- lxc: Allow seeking in `/proc/meminfo to resove failure with new procps` package
- qemu: Fix rare race-condition when detaching a device
- qemu: Fix NUMA memory allocation logic
- qemu: Fix setup of `hostdev backed <interface>`