[chttp2] Fix channelz address (#38793)

I forgot to copy https://github.com/grpc/grpc/pull/38022 to the new server listener experiment

Closes #38793

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/38793 from yashykt:FixChannelzAddress 416acecb22
PiperOrigin-RevId: 729288306

src/core/ext/transport/chttp2/server/chttp2_server.cc

@@ -1282,7 +1282,7 @@ grpc_error_handle NewChttp2ServerListener::Create(
   if (args.GetBool(GRPC_ARG_ENABLE_CHANNELZ)
           .value_or(GRPC_ENABLE_CHANNELZ_DEFAULT)) {
     auto string_address =
-        grpc_event_engine::experimental::ResolvedAddressToString(addr);
+        grpc_event_engine::experimental::ResolvedAddressToURI(addr);
     if (!string_address.ok()) {
       return GRPC_ERROR_CREATE(string_address.status().ToString());
     }