Bump ipython from 7.22.0 to 7.31.1 (#195)

Bumps [ipython](https://github.com/ipython/ipython) from 7.22.0 to 7.31.1.
- [Release notes](https://github.com/ipython/ipython/releases)
- [Commits](ipython/ipython@7.22.0...7.31.1)

---
updated-dependencies:
- dependency-name: ipython
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -5,7 +5,7 @@ sphinx_rtd_theme==0.5.2
 sphinxcontrib-plantuml==0.20.1
 nbsphinx==0.8.2
 sphinx-copybutton==0.3.1
-ipython==7.22.0
+ipython==7.31.1
 jupyter==1.0.0
 sphinx-autobuild==2021.3.14
 sphinx-panels==0.5.2