tfvars: define a hi-res host specs

vms/terraform.tfvars

@@ -23,10 +23,10 @@ mode          = ["bridge"]
 hosts = {
   "builder" = {
     name     = "builder",
-    vcpu     = 4,
+    vcpu     = 18,
-    memory   = 1024 * 12,
+    memory   = 1024 * 24,
     diskpool = "default",
-    disksize = 1024 * 1024 * 1024 * 150,
+    disksize = 1024 * 1024 * 1024 * 200,
     mac      = "02:26:00:13:37:00",
     # sourceimage = "https://cloud-images.ubuntu.com/focal/current/focal-server-cloudimg-amd64.img",
     sourceimage = "/var/lib/libvirt/images/focal-server-cloudimg-amd64.img",