update config name

Author: annie-mac

sdk/cosmos/azure-cosmos-spark_3_2-12/src/main/scala/com/azure/cosmos/spark/CosmosConstants.scala

@@ -79,8 +79,8 @@ private[cosmos] object CosmosConstants {
   }
 
   object ChangeFeedMetricsListenerConfig {
-    val metricsListenerEnabledPropertyName = "cosmos.changeFeed.metricsListener.enabled"
-    val metricsListenerEnabledEnvName = "cosmos_changeFeed_metricsListener_enabled"
+    val metricsListenerEnabledPropertyName = "cosmos.changeFeedMetrics.enabled"
+    val metricsListenerEnabledEnvName = "COSMOS_CHANGEFEEDMETRICS_LISTENER_ENABLED"
     val enableByDefalult = "true"
     val metricsListenerEnabled = Option(System.getProperty(metricsListenerEnabledPropertyName))
      .orElse(sys.env.get(metricsListenerEnabledEnvName))