## What this PR does
This patch adds a new version field to the kubernetes chart, letting
end-users specify the version of kubernetes they want to deploy.
### Release note
```release-note
[kubernetes] Let users specify desired version of tenant k8s cluster.
```
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added a configurable Kubernetes version parameter, allowing selection
of specific minor versions for cluster deployments.
* Introduced a version mapping system to ensure clusters use precise
Kubernetes patch versions.
* **Bug Fixes**
* Ensured only supported Kubernetes versions can be selected, reducing
configuration errors.
* **Documentation**
* Updated documentation to describe the new version parameter and its
usage.
* **Tests**
* Enhanced end-to-end tests to cover deployments with both the latest
and previous Kubernetes versions.
* **Chores**
* Consolidated version references for multiple packages to streamline
version management.
<!-- 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