update owner for service bus (#35661)

* update owner for service bus

* update

* update

* update

Author: xiangyan99

.github/CODEOWNERS

@@ -353,6 +353,8 @@
 
 # AzureSdkOwners: @kashifkhan
 # ServiceLabel: %Service Bus
+# ServiceOwners:  @EldertGrootenboer
+
 # PRLabel: %Service Bus
 /sdk/servicebus/                                                     @annatisch @kashifkhan @swathipil @l0lawrence
 
@@ -833,9 +835,6 @@
 # ServiceLabel: %Security %Service Attention
 #/<NotInRepo>/          @chlahav
 
-# ServiceLabel: %Service Attention %Service Bus
-#/<NotInRepo>/          @EldertGrootenboer
-
 # ServiceLabel: %Service Attention %Service Fabric
 #/<NotInRepo>/          @QingChenmsft @vaishnavk @juhacket