misc: Vagrantfile update

misc/Vagrantfile

@@ -3,8 +3,8 @@
 # development/testing.
 #
 # Use 'vagrant up && vagrant ssh' to spawn the default machine (most recent
-# Fedora) and ssh into it or e.g. 'vagrant up blivet-gui-f38 && vagrant ssh blivet-gui-f38'
-# to use a Fedora 38 based machine, etc.
+# Fedora) and ssh into it or e.g. 'vagrant up blivet-gui-f40 && vagrant ssh blivet-gui-f40'
+# to use a Fedora 40 based machine, etc.
 #
 
 def os_cpu_cores
@@ -35,8 +35,8 @@ Vagrant.configure("2") do |config|
     ansible.playbook = "install-test-dependencies.yml"
   end
 
-  config.vm.define "blivet-gui-f38", primary: true, autostart: true do |f38|
-    f38.vm.box = "fedora/38-cloud-base"
+  config.vm.define "blivet-gui-f40", primary: true, autostart: true do |f40|
+    f40.vm.box = "fedora/40-cloud-base"
   end
 
   config.vm.define "blivet-gui-f39", primary: false, autostart: false do |f39|