update code owner for identity and synapse
# Service team
####
# PRLabel: %Azure.Identity
-/sdk/identity/ @chlowell @mccoyp @schaabs
+/sdk/identity/ @chlowell @mccoyp @schaabs @xiangyan99
# PRLabel: %Event Hubs
/sdk/eventhub/ @annatisch @yunhaoling @swathipil @rakshith91
/sdk/servicebus/ @annatisch @yunhaoling @swathipil @rakshith91
# PRLabel: %Synapse
-/sdk/synapse/ @aim-for-better @idear1203
+/sdk/synapse/ @wonner @idear1203 @xiangyan99
# PRLabel: %EngSys
/sdk/template/ @Azure/azure-sdk-eng
