Merge pull request #90861 from eromanova97/OBSDOCS-1691

OBSDOCS#1691: Add new pod-metrics-reader cluster role to the cluster role table

Author: xenolinux

modules/monitoring-granting-users-permission-to-monitor-user-defined-projects.adoc

@@ -53,5 +53,8 @@ You can grant the permissions by assigning one of the following monitoring roles
 |`alert-routing-edit` 
 |Users with this cluster role can create, update, and delete `AlertmanagerConfig` CRs for user-defined projects.
 |Can be bound with `RoleBinding` to any user project.
-|===
 
+|`pod-metrics-reader` 
+|Users with this cluster role can access Thanos API endpoints for user-defined projects.
+|Can be bound with `RoleBinding` to any user project.
+|===