[kubernetes] Disable VPA for VPA in tenant k8s (#1301)

## 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 -->

packages/apps/kubernetes/Chart.yaml

@@ -16,7 +16,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.26.2
+version: 0.26.3
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

packages/apps/kubernetes/templates/helmreleases/vertical-pod-autoscaler.yaml

@@ -4,6 +4,7 @@
 {{- $myNS := lookup "v1" "Namespace" "" .Release.Namespace }}
 {{- $targetTenant := index $myNS.metadata.annotations "namespace.cozystack.io/monitoring" }}
 vertical-pod-autoscaler:
+  vpaForVPA: false
   recommender:
     extraArgs:
       container-name-label: container

packages/apps/versions_map

@@ -63,7 +63,8 @@ kubernetes 0.25.1 acd4663a
 kubernetes 0.25.2 08cb7c0f
 kubernetes 0.26.0 9584e5f5
 kubernetes 0.26.1 0e47e1e8
-kubernetes 0.26.2 HEAD
+kubernetes 0.26.2 8ddbe32e
+kubernetes 0.26.3 HEAD
 mysql 0.1.0 263e47be
 mysql 0.2.0 c24a103f
 mysql 0.3.0 53f2365e