'AttributeError: module 'PIL.Image' has no attribute 'CUBIC'. Did you mean: 'BICUBIC'?'

See here https://stackoverflow.com/a/76717474

Please add workaround
```
from PIL import Image
Image.CUBIC = Image.BICUBIC
```
in Tkinter-Bootstrap-Guide/blob/main/example_2.py.

Greetings
