feat: Documentation update for newer versions Jupyter notebook

[andormarkus]

Description

The installation procedures of the ipywidgets significantly different for newer Jupyter Notebook and JupyterLab releases. If the user follows the current installation procedures for newer releases the installation will fail.

This PR closes:

• #885

Provide better solution for:

• #825
• #839

Checklist

• [X] Wrote a description of my changes above
• [NA] Formatted my code with black
• [X] Added a bullet point for my changes to the top of the CHANGELOG.md file
• [NA] Added or modified unit tests to reflect my changes
• [X] Manually tested with a notebook
• [NA] If adding a feature, there is an example notebook and/or documentation in the README.md file

[devstein]

@andormarkus thank you for contributing! I'll try to take a look later this week(end)

[devstein]

Also heads up CI broke two days ago due to some upstream unpinned dependency change. I haven't looked into it, but should hopefully be a straightforward fix

[devstein]

Hey @andormarkus are you able to update your fork to the latest changes on master?

[devstein]

Merged as part of https://github.com/jupyter-incubator/sparkmagic/pull/935

[devstein]

Thanks for contributing @andormarkus!