[bot] [main] Automated version update

manifests/prometheus-operator-prometheusRule.yaml

@@ -5,7 +5,7 @@ metadata:
     app.kubernetes.io/component: controller
     app.kubernetes.io/name: prometheus-operator
     app.kubernetes.io/part-of: kube-prometheus
-    app.kubernetes.io/version: 0.51.1
+    app.kubernetes.io/version: 0.51.2
     prometheus: k8s
     role: alert-rules
   name: prometheus-operator-rules
@@ -84,3 +84,17 @@ spec:
       for: 5m
       labels:
         severity: warning
+  - name: config-reloaders
+    rules:
+    - alert: ConfigReloaderSidecarErrors
+      annotations:
+        description: |-
+          Errors encountered while the {{$labels.pod}} config-reloader sidecar attempts to sync config in {{$labels.namespace}} namespace.
+          As a result, configuration for service running in {{$labels.pod}} may be stale and cannot be updated anymore.
+        runbook_url: https://runbooks.prometheus-operator.dev/runbooks/prometheus-operator/configreloadersidecarerrors
+        summary: config-reloader sidecar has not had a successful reload for 10m
+      expr: |
+        max_over_time(reloader_last_reload_successful{namespace=~".+"}[5m]) == 0
+      for: 10m
+      labels:
+        severity: warning