fix: stale ref to emqx_json after rebase

lib-ee/emqx_ee_bridge/test/emqx_ee_bridge_sqlserver_SUITE.erl

@@ -501,7 +501,7 @@ create_bridge_http(Params) ->
     Path = emqx_mgmt_api_test_util:api_path(["bridges"]),
     AuthHeader = emqx_mgmt_api_test_util:auth_header_(),
     case emqx_mgmt_api_test_util:request_api(post, Path, "", AuthHeader, Params) of
-        {ok, Res} -> {ok, emqx_json:decode(Res, [return_maps])};
+        {ok, Res} -> {ok, emqx_utils_json:decode(Res, [return_maps])};
         Error -> Error
     end.