deploy: Bump libvirt vagrant box version to 0.2.0

https://app.vagrantup.com/tinkerbelloss/boxes/sandbox-ubuntu1804/versions/0.2.0
exist now as a fix for #59 and #62.

Signed-off-by: Manuel Mendez <[email protected]>

Author: mmlb

deploy/vagrant/Vagrantfile

@@ -26,7 +26,7 @@ Vagrant.configure('2') do |config|
 
   config.vm.define :provisioner do |provisioner|
     provisioner.vm.box = "tinkerbelloss/sandbox-ubuntu1804"
-    provisioner.vm.box_version = "0.1.0"
+    provisioner.vm.box_version = "0.2.0"
     provisioner.vm.hostname = 'provisioner'
     provisioner.vm.synced_folder './../../', '/vagrant'
     provisioner.vm.provision :shell,