Yes you are right Python 3.11 is faster then Python 3.10. It can give 10 to 60% performance improvement over Python 3.10 depending on the workload.
Python 3.11 is already released on October 24, 2022.
You can download install and run your project in Python 3.11. If you face any incompatibility you can update your code and run it in new the Python.