Add code owner to Azure Plugin (Azure#48985)

Author: live1206

.github/CODEOWNERS

@@ -1107,13 +1107,13 @@
 # ######## Code Generation ########
 
 #PRLabel: %CodeGen %Client
-/eng/packages/http-client-csharp/                                  @JoshLove-msft @m-nash @jorgerangel-msft
+/eng/packages/http-client-csharp/                                  @JoshLove-msft @m-nash @jorgerangel-msft @live1206 @ArcturusZhang
 
 # ServiceLabel: %CodeGen
 # AzureSdkOwners:                                                  @JoshLove-msft
 
 #PRLabel: %CodeGen %Client
-/eng/packages/http-client-csharp/generator/Azure.Generator/        @JoshLove-msft @m-nash @jorgerangel-msft @jsquire
+/eng/packages/http-client-csharp/generator/Azure.Generator/        @JoshLove-msft @m-nash @jorgerangel-msft @jsquire @live1206 @ArcturusZhang
 
 #PRLabel: %CodeGen %Client
-/eng/scripts/typespec/                                             @JoshLove-msft @m-nash @jorgerangel-msft @jsquire
+/eng/scripts/typespec/                                             @JoshLove-msft @m-nash @jorgerangel-msft @jsquire @live1206 @ArcturusZhang