Add code owners for http-client-csharp-mgmt (Azure#49052)

* Add code owners for http-client-csharp-mgmt

* update

* address comments

Author: live1206

.github/CODEOWNERS

@@ -1119,13 +1119,16 @@
 # ######## Code Generation ########
 
 #PRLabel: %CodeGen %Client
-/eng/packages/http-client-csharp/                                  @JoshLove-msft @m-nash @jorgerangel-msft @live1206 @ArcturusZhang
+/eng/packages/http-client-csharp/                                  @JoshLove-msft @m-nash @jorgerangel-msft @live1206 @ArcturusZhang @jsquire
+
+#PRLabel: %CodeGen %Mgmt
+/eng/packages/http-client-csharp-mgmt/                             @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 @live1206 @ArcturusZhang
+# ServiceLabel: %CodeGen %Mgmt
+# AzureSdkOwners:                                                  @live1206 @ArcturusZhang
 
 #PRLabel: %CodeGen %Client
 /eng/scripts/typespec/                                             @JoshLove-msft @m-nash @jorgerangel-msft @jsquire @live1206 @ArcturusZhang