[Backport release-0.34] Fix linstor metrics node label (#1336)

# Description
Backport of #1335 to `release-0.34`.

packages/system/linstor/templates/podscrape.yaml

@@ -14,7 +14,7 @@ spec:
     - replacement: linstor-controller
       targetLabel: job
     - sourceLabels: [__meta_kubernetes_pod_node_name]
-      targetLabel: controller_node
+      targetLabel: node
     - targetLabel: tier
       replacement: cluster
   selector:
@@ -37,7 +37,7 @@ spec:
     - replacement: linstor-satellite
       targetLabel: job
     - sourceLabels: [__meta_kubernetes_pod_node_name]
-      targetLabel: node
+      targetLabel: controller_node
     - targetLabel: tier
       replacement: cluster
   selector: