pyside6-deploy: Use the latest version of Nuitka

Have pyside6-deploy use the latest version of Nuitka or add an option to always use the latest version of Nuitka in the pysidedeploy.spec file.

I had been having some trouble with using the importlib.resources module with Nuitka, a hotfix for which was released last week with version 2.3.10. However, pyside6-deploy was still using an older version of Nuitka and I did not realize you could manually change the version in the .spec file itself.

Since you can manually set the version of Nuitka pyside6-deploy uses, you should be able to set it to use the latest version from PyPI each time.