fix(node_exporter): Move hostNetwork to spec level

manifests/node-exporter/daemonset.yaml

@@ -17,6 +17,7 @@ spec:
         app.kubernetes.io/component: exporter
         app.kubernetes.io/name: node-exporter
     spec:
+      hostNetwork: true
       containers:
       - args:
         - --path.sysfs=/host/sys
@@ -26,7 +27,6 @@ spec:
         - --collector.netclass.ignored-devices=^(veth.*)$
         name: node-exporter
         image: prom/node-exporter
-        hostNetwork: true
         ports:
           - containerPort: 9100
             protocol: TCP