Update ipython requirement in /requirements (#850)

Updates the requirements on [ipython](https://github.com/ipython/ipython) to permit the latest version.
- [Release notes](https://github.com/ipython/ipython/releases)
- [Commits](ipython/ipython@5.0.0...9.7.0)

---
updated-dependencies:
- dependency-name: ipython
  dependency-version: 9.7.0
  dependency-type: direct:development
...

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Author: dependabot[bot]

requirements/dev.txt

@@ -4,7 +4,7 @@ codecov
 coverage
 google_compute_engine # Need this because boto has issues with dynamic package loading during tests if other google components are there
 # newer versions of ipython have different imports and require refactoring
-ipython>=5.0,<9.0.0
+ipython>=5.0,<10.0.0
 ipywidgets
 notebook
 moto >= 5.0.0,<5.1.0