Bump ipython from 7.6.0 to 7.16.3

Bumps [ipython](https://github.com/ipython/ipython) from 7.6.0 to 7.16.3.
- [Release notes](https://github.com/ipython/ipython/releases)
- [Commits](ipython/ipython@7.6.0...7.16.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -17,7 +17,7 @@ django-extensions==2.1.9
 entrypoints==0.3
 idna==2.5
 ipykernel==5.1.1
-ipython==7.6.0
+ipython==7.16.3
 ipython-genutils==0.2.0
 ipywidgets==7.5.0
 jedi==0.14.0