[virtual-machine] fix versions migration (#1378)

Signed-off-by: Andrei Kvapil <kvapss@gmail.com>

<!-- Thank you for making a contribution! Here are some tips for you:
- Start the PR title with the [label] of Cozystack component:
- For system components: [platform], [system], [linstor], [cilium],
[kube-ovn], [dashboard], [cluster-api], etc.
- For managed apps: [apps], [tenant], [kubernetes], [postgres],
[virtual-machine] etc.
- For development and maintenance: [tests], [ci], [docs], [maintenance].
- If it's a work in progress, consider creating this PR as a draft.
- Don't hesistate to ask for opinion and review in the community chats,
even if it's still a draft.
- Add the label `backport` if it's a bugfix that needs to be backported
to a previous version.
-->

## What this PR does


### Release note

<!--  Write a release note:
- Explain what has changed internally and for users.
- Start with the same [label] as in the PR title
- Follow the guidelines at
https://github.com/kubernetes/community/blob/master/contributors/guide/release-notes.md.
-->

```release-note
[]
```

scripts/migrations/18

@@ -8,10 +8,10 @@ done
 
 # Upgrade virtualmachines.apps to new chart version
 kubectl get virtualmachines.apps.cozystack.io -A --no-headers --output=custom-columns='NAMESPACE:.metadata.namespace,NAME:.metadata.name' | while read NAMESPACE NAME; do
-  kubectl patch virtualmachines.apps.cozystack.io -n "$NAMESPACE" "$NAME" --type merge -p '{"appVersion":"1.14.0"}'
+  kubectl patch virtualmachines.apps.cozystack.io -n "$NAMESPACE" "$NAME" --type merge -p '{"appVersion":"0.14.0"}'
 done
 kubectl get vminstances.apps.cozystack.io -A --no-headers --output=custom-columns='NAMESPACE:.metadata.namespace,NAME:.metadata.name' | while read NAMESPACE NAME; do
-  kubectl patch vminstances.apps.cozystack.io -n "$NAMESPACE" "$NAME" --type merge -p '{"appVersion":"1.12.0"}'
+  kubectl patch vminstances.apps.cozystack.io -n "$NAMESPACE" "$NAME" --type merge -p '{"appVersion":"0.12.0"}'
 done
 
 # Write version to cozystack-version config