[Maintainence] Update Python version to 3.11
Our current Python version (3.8.5) is outdated and we should thus bump it. Version 3.11 has been tested on my local machine so it should in principle be safe to migrate the server to that version.
Our current Python version (3.8.5) is outdated and we should thus bump it. Version 3.11 has been tested on my local machine so it should in principle be safe to migrate the server to that version.