When modifying font weight repeatedly, I notice there is memory leak which never return. Do you have idea on fixing the leak? <img width="126" alt="Screenshot 2567-01-02 at 09 59 14" src="https://github.com/mrvsahan/VariableFontExample/assets/6356137/933da6d1-f0f8-4b9f-a4c3-aad08c3be2aa">