[virtual-machine] Fix vm update hook (#1376)

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

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## What this PR does

Fix regression introduced by
https://github.com/cozystack/cozystack/pull/1169, now we have correct
singular names for virtualmachines which are conflictiing with KubeVirt
ones.

Solution: explicitly specify apiversion

### Release note

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```release-note
[virtual-machine] Fix vm update hook
```

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Bug Fixes**
* Improved reliability of VM update hooks by targeting the correct API
resource, preventing occasional patch failures when updating
instancetype and preference.
* Ensures VM updates apply consistently across environments without
changing existing behavior.

* **Chores**
* Aligned resource references with fully qualified API names to enhance
compatibility with current cluster configurations.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/apps/virtual-machine/templates/vm-update-hook.yaml

@@ -64,14 +64,14 @@ spec:
             - |
               {{- if $needUpdateType }}
               echo "Patching VirtualMachine for instancetype update..."
-              kubectl patch virtualmachine {{ $vmName }} -n {{ $namespace }} \
+              kubectl patch virtualmachines.kubevirt.io {{ $vmName }} -n {{ $namespace }} \
                 --type merge \
                 -p '{"spec":{"instancetype":{"name": "{{ $instanceType }}", "revisionName": null}}}'
               {{- end }}
               
               {{- if $needUpdateProfile }}
               echo "Patching VirtualMachine for preference update..."
-              kubectl patch virtualmachine {{ $vmName }} -n {{ $namespace }} \
+              kubectl patch virtualmachines.kubevirt.io {{ $vmName }} -n {{ $namespace }} \
                 --type merge \
                 -p '{"spec":{"preference":{"name": "{{ $instanceProfile }}", "revisionName": null}}}'
               {{- end }}

packages/apps/vm-instance/templates/vm-update-hook.yaml

@@ -54,14 +54,14 @@ spec:
             - |
               {{- if $needUpdateType }}
               echo "Patching VirtualMachine for instancetype update..."
-              kubectl patch virtualmachine {{ $vmName }} -n {{ $namespace }} \
+              kubectl patch virtualmachines.kubevirt.io {{ $vmName }} -n {{ $namespace }} \
                 --type merge \
                 -p '{"spec":{"instancetype":{"name": "{{ $instanceType }}", "revisionName": null}}}'
               {{- end }}
               
               {{- if $needUpdateProfile }}
               echo "Patching VirtualMachine for preference update..."
-              kubectl patch virtualmachine {{ $vmName }} -n {{ $namespace }} \
+              kubectl patch virtualmachines.kubevirt.io {{ $vmName }} -n {{ $namespace }} \
                 --type merge \
                 -p '{"spec":{"preference":{"name": "{{ $instanceProfile }}", "revisionName": null}}}'
               {{- end }}