chore(deps): update dependency django-debug-toolbar to v4.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
django-debug-toolbar (changelog)	4.1.0 -> 4.2.0

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Release Notes

jazzband/django-debug-toolbar (django-debug-toolbar)

### [`v4.2.0`](https://togithub.com/jazzband/django-debug-toolbar/compare/4.1...4.2) [Compare Source](https://togithub.com/jazzband/django-debug-toolbar/compare/4.1...4.2)

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