Update prometheus rules to try to fix KubernetesPodNotHealthy

admin/kubekorner_geosphere_prometheus_rules.yaml

@@ -435,8 +435,8 @@ spec:
         description: "A StatefulSet went down\n  VALUE = {{ $value }}\n  LABELS: {{ $labels }}"
 
     - alert: KubernetesPodNotHealthy
-      expr: min_over_time(sum by (namespace, pod) (kube_pod_status_phase{phase=~"Pending|Unknown|Failed"})[1h:]) > 0
-      for: 15m
+      expr: min_over_time(sum by (namespace, pod) (kube_pod_status_phase{phase=~"Pending|Unknown|Failed"})[1h:5m]) > 0
+      for: 5m
       labels:
         severity: critical
         ruleGroup: geosphere-kubernetes