Refresh release note

Author: jovial

releasenotes/notes/bumps-redfish-exporter-to-v2-11032fb9dde36283.yaml

@@ -10,6 +10,10 @@ features:
 fixes:
   - |
     Sets the prometheus server side option ``query.lookback-delta`` to
-    the largest scrape interval so that redfish exporter metrics are not
-    marked stale before the next scrape.
+    the largest scrape interval so that metrics are not from exporters
+    with large scrape intervals are not marked stale before the next scrape.
   - Fixes various issues with the redfish exporter dashboard.
+upgrade:
+ - | 
+   Increases default ``os_capacity_scrape_interval`` to ``5m``. If you already customise
+   this please move to the new ``stackhpc_os_capacity_scrape_interval`` variable.