chore(deps): update dependency ipython to v8.21.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ipython (source)	8.20.0 -> 8.21.0

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Release Notes

ipython/ipython (ipython)

### [`v8.21.0`](https://togithub.com/ipython/ipython/compare/8.20.0...8.21.0) [Compare Source](https://togithub.com/ipython/ipython/compare/8.20.0...8.21.0)

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Configuration

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