Merge pull request #93485 from openshift-cherrypick-robot/cherry-pick-92907-to-enterprise-4.15

[enterprise-4.15] OBSDOCS-1863: Add the missing info about runbook links

Author: xenolinux

modules/monitoring-getting-information-about-alerts-silences-and-alerting-rules.adoc

@@ -41,6 +41,7 @@ To obtain information about alerts:
 
 * A description of the alert
 * Messages associated with the alert
+* A link to the runbook page on GitHub for the alert, if the page exists
 * Labels attached to the alert
 * A link to its governing alerting rule
 * Silences for the alert, if any exist