## What this PR does
This patch disables the VPA for VPA deployment in tenant kubernetes
clusters. This feature was never designed for deployment in tenant
clusters and causes unexpected errors.
### Release note
```release-note
[kubernetes] Disable VPA for VPA feature for tenant clusters, fixing an unintended regression.
```
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added a new configuration option to enable or disable vertical pod
autoscaling for the autoscaler itself.
* **Chores**
* Updated the Kubernetes application chart version to 0.26.3.
* Updated version mapping for the Kubernetes package.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
cd packages/core/installer
make image-cozystack REGISTRY=YOUR_CUSTOM_REGISTRY
make apply
kubectl delete pod dashboard-redis-master-0 -n cozy-dashboard
kubectl delete po -l app=source-controller -n cozy-fluxcd