chore(deps): update helm release kubelet-csr-approver to v1.2.4

| datasource | package              | from  | to    |
| ---------- | -------------------- | ----- | ----- |
| helm       | kubelet-csr-approver | 1.2.3 | 1.2.4 |

cluster/core/kube-system/kubelet-csr-approver/kustomization.yaml

@@ -6,7 +6,7 @@ namespace: kube-system
 helmCharts:
   - name: kubelet-csr-approver
     repo: https://postfinance.github.io/kubelet-csr-approver
-    version: 1.2.3
+    version: 1.2.4
     releaseName: kubelet-csr-approver
     namespace: kube-system
     valuesInline: