Bump ipython from 7.27.0 to 7.28.0 (#8164)

Bumps [ipython](https://github.com/ipython/ipython) from 7.27.0 to 7.28.0.
- [Release notes](https://github.com/ipython/ipython/releases)
- [Commits](ipython/ipython@7.27.0...7.28.0)

---
updated-dependencies:
- dependency-name: ipython
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

requirements.txt

@@ -136,7 +136,7 @@ pycountry
 # production
 uWSGI==2.0.19.1
 gunicorn==20.1.0
-ipython==7.27.0
+ipython==7.28.0
 docker==5.0.2
 invoke==1.6.0