Invert colors of Image

### Is your feature request related to a problem?

I'd like to be able to invert the color of an image.

### Desired solution

Add a new method `invert_colors` to `Image` that returns a new `Image` with inverted colors and leaves the original unchanged.

### Possible alternatives (optional)

_No response_

### Screenshots (optional)

_No response_

### Additional Context (optional)

_No response_