fix(helm-chart): update helm release node-feature-discovery to 0.16.6

| datasource | package                | from   | to     |
| ---------- | ---------------------- | ------ | ------ |
| helm       | node-feature-discovery | 0.16.5 | 0.16.6 |

cluster/system/node-feature-discovery/Chart.yaml

@@ -6,5 +6,5 @@ version: 1.0.0
 appVersion: "1.10.2"
 dependencies:
   - name: node-feature-discovery
-    version: 0.16.5
+    version: 0.16.6
     repository: https://kubernetes-sigs.github.io/node-feature-discovery/charts