fix: Move 1.6 snapshot version bump to correct line

It seems a rebase gone awry caused the version bump from #3557 to be
considered as part of 1.5, even though it will only land with 1.6. Swap
the two lines to unblock CI.

Signed-off-by: Patrick Roy <[email protected]>

Author: roypat

src/vmm/src/version_map.rs

@@ -81,11 +81,12 @@ lazy_static! {
         version_map.set_type_version(VcpuState::type_id(), 2);
 
         version_map.set_type_version(VmState::type_id(), 2);
-        version_map.set_type_version(VirtioDeviceState::type_id(), 2);
 
         // v1.6 state change mappings
         version_map.new_version();
 
+        version_map.set_type_version(VirtioDeviceState::type_id(), 2);
+
         version_map
     };