private boolean updateCacheWithJson(final String json) {
        JsonObject jsonObject = GsonUtils.getGson().fromJson(json, JsonObject.class);
        // if the config cache will be updated?
        return factory.executor(jsonObject.getAsJsonObject("data"));
    }
update local cache.

@param json the response from config server.
@return true: the local cache was updated. false: not updated.
shenyu-sync-data-center/shenyu-sync-data-http/src/main/java/org/apache/shenyu/sync/data/http/HttpSyncDataService.java