How to upgrade to python3.11 in ubuntu 22.04 , without causing any bad issues in fastai + jupyter

I have asked the same question on StackOverflow, but I am concerned with fastai library. So I am also asking here. Please have a look at the complete description of the problem.
https://stackoverflow.com/questions/74216628/how-can-i-upgrade-to-python-3-11-on-ubuntu-22-04

Please guide. Thank you.