Update codeowners for emitter versions file (Azure#49442)

Author: JoshLove-msft

.github/CODEOWNERS

@@ -1114,10 +1114,13 @@
 # Add owners for package dependency changes
 /eng/Packages.Data.props                                           @JoshLove-msft @christothes @annelo-msft @KrzysztofCwalina @tg-msft @jsquire @m-nash @ArthurMa1978
 
+# Add owners for emitter version changes
+/eng/http-client-csharp-emitter-package.json                       @JoshLove-msft @m-nash @jorgerangel-msft @live1206 @ArcturusZhang @nisha-bhatia
+
 # ######## Code Generation ########
 
 #PRLabel: %CodeGen %Client
-/eng/packages/http-client-csharp/                                  @JoshLove-msft @m-nash @jorgerangel-msft @live1206 @ArcturusZhang @jsquire
+/eng/packages/http-client-csharp/                                  @JoshLove-msft @m-nash @jorgerangel-msft @live1206 @ArcturusZhang @jsquire @nisha-bhatia
 
 #PRLabel: %CodeGen %Mgmt
 /eng/packages/http-client-csharp-mgmt/                             @JoshLove-msft @m-nash @jorgerangel-msft @live1206 @ArcturusZhang