feat(helm): update chart descheduler to 0.28.0

| datasource | package     | from   | to     |
| ---------- | ----------- | ------ | ------ |
| helm       | descheduler | 0.24.1 | 0.28.0 |

Author: chii-bot[bot]

cluster/apps/kube-system/descheduler/helm-release.yaml

@@ -10,7 +10,7 @@ spec:
     spec:
       # renovate: registryUrl=https://kubernetes-sigs.github.io/descheduler
       chart: *app
-      version: 0.24.1
+      version: 0.28.0
       sourceRef:
         kind: HelmRepository
         name: kubernetes-sigs-descheduler-charts