Update prometheus rules for job rename

redfish-exporter-seed was renamed redfish-exporter in:

782f689

This updates the rules to match. Effectively making failed redfish scrapes warnings again.

Author: jovial

etc/kayobe/kolla/config/prometheus/prometheus.rules

@@ -7,7 +7,7 @@ groups:
   rules:
 
   - alert: PrometheusTargetMissing
-    expr: up{job!="redfish-exporter-seed"} == 0
+    expr: up{job!="redfish-exporter"} == 0
     for: 5m
     labels:
       severity: critical
@@ -16,7 +16,7 @@ groups:
       description: "A Prometheus target has disappeared. An exporter might have crashed."
 
   - alert: PrometheusTargetMissing
-    expr: up{job="redfish-exporter-seed"} == 0
+    expr: up{job="redfish-exporter"} == 0
     for: 15m
     labels:
       severity: critical