add fluxcd prometheus scrapping

services/monitoring/deploy/prometheus/prometheus-agent.yaml

@@ -9,8 +9,13 @@ spec:
       prometheus-monitoring: enabled
 
   podMonitorSelector:
-    matchLabels:
-      release: prometheus
+    matchExpressions:
+      - key: release
+        operator: In
+        values: ["prometheus"]
+      - key: prometheus.io/scrape
+        operator: In
+        values: ["true"]
 
   serviceMonitorNamespaceSelector:
     matchLabels: