add new recording rule for unsuported packages

Author: dkhater-redhat

install/0000_90_machine-config_01_prometheus-rules.yaml

@@ -204,3 +204,9 @@ spec:
             description: >-
               Could not find config {{ $labels.mc }} in-cluster, this likely indicates the MachineConfigs in-cluster has changed during the install process. 
               If you are seeing this when installing the cluster, please compare the in-cluster rendered machineconfigs to /etc/mcs-machine-config-content.json
+    - name: telemetry.rules
+      rules:
+      - expr: count(mcd_local_unsupported_packages > 0)
+        record: cluster:mcd_nodes_with_unsupported_packages:count
+      - expr: sum(mcd_local_unsupported_packages)
+        record: cluster:mcd_total_unsupported_packages:sum