fix: simplify logic and enable correct recording rule groups for managed prom extension (#7)

Author: bragi92

src/k8s-extension/HISTORY.rst

@@ -14,6 +14,7 @@ Release History
 1.6.5
 ++++++++++++++++++
 * microsoft.dataprotection.kubernetes: Add support for 'DisableInformerCache' configuration.
+* microsoft.azuremonitor.containers.metrics: Simplify logic and enable correct recording rule groups for managed prom extension
 
 1.6.4
 ++++++++++++++++++