Rate limit don't working even using async/await

### Prerequisites - [X] I have written a descriptive issue title - [X] I have searched existing issues to ensure the bug has not already been reported ### Fastify version 4.26.0 ### Plugin version 9.1.0 ### Node.js version 20 ### Operating system Windows ### Operating system version (i.e. 20.04, 11.3, 10) 23H2 ### Description Hello. I tried several ways to use the package, but in none of them the package is working for me. It does not assign headers to the request and does not block excessive requests. ### Steps to Reproduce ## Source Code  ### Expected Behavior _No response_