Update IPython version from <9.0 to <8.13 to support Python 3.8

[xianyuanliu]

Fixes #371.

Description

Updates the version of IPython in the requirements and setup to support Python 3.8.

Status

Ready

Types of changes

• Non-breaking change (fix or new feature that would not break existing functionality).
• Breaking change (fix or new feature that would cause existing functionality to change).
• New tests added to cover the changes.
• In-line docstrings updated.
• Source for documentation at docs manually updated for new API.

[codecov-commenter]

Codecov Report

Merging #372 (4d39a15) into main (f732e72) will not change coverage.
The diff coverage is n/a.

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

@@           Coverage Diff           @@
##             main     #372   +/-   ##
=======================================
  Coverage   91.38%   91.38%           
=======================================
  Files          48       48           
  Lines        5130     5130           
=======================================
  Hits         4688     4688           
  Misses        442      442           

[haipinglu]

Thank you so much for your swift action Xianyuan!