Update ipython requirement from ~=8.14.0 to ~=8.15.0 (#296)

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@8.14.0...8.15.0)

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

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requirements.txt

@@ -15,4 +15,4 @@ pandas~=2.1.0
 nglview~=3.0.7
 moviepy~=1.0.3
 ipyevents~=2.0.2
-ipython~=8.14.0
+ipython~=8.15.0