monitoring: Namespace change fixes

monitoring/prometheus.yaml

@@ -24,7 +24,7 @@ spec:
       effect: NoSchedule
   alerting:
     alertmanagers:
-      - namespace: prometheus-operator
+      - namespace: monitoring
         name: alertmanager-operated
         port: web
   externalUrl: "http://prom.k-space.ee/"
@@ -96,7 +96,7 @@ roleRef:
 subjects:
 - kind: ServiceAccount
   name: prometheus
-  namespace: prometheus-operator
+  namespace: monitoring
 ---
 apiVersion: monitoring.coreos.com/v1
 kind: PrometheusRule