use shutil.move instead of os.rename to avoid crashes during install

[RomiRand]

os.rename crashes in certain scenarios (just happened to me), see the python docs. shutil.move handles these cases better, also see this question on stackoverflow.

What I did

Replaced os.rename with shutil.move.

Checklist

• [x] I have confirmed that my PR passes all linting checks
• [ ] I have included test cases
• [ ] I have updated the documentation (README.md)
• [ ] I have added an entry to the changelog