Bump django-debug-toolbar from 3.8.1 to 4.2.0

Bumps [django-debug-toolbar](https://github.com/jazzband/django-debug-toolbar) from 3.8.1 to 4.2.0.
- [Release notes](https://github.com/jazzband/django-debug-toolbar/releases)
- [Changelog](https://github.com/jazzband/django-debug-toolbar/blob/main/docs/changes.rst)
- [Commits](jazzband/django-debug-toolbar@3.8.1...4.2)

---
updated-dependencies:
- dependency-name: django-debug-toolbar
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

pyproject.toml

@@ -29,7 +29,7 @@ whitenoise = "^6.5.0"
 
 [tool.poetry.dev-dependencies]
 black = "^23"
-django-debug-toolbar = "^3.8.1"
+django-debug-toolbar = "^4.2.0"
 django-pattern-library = "~1.0.0"
 django-stubs = "^1.9.0"
 djhtml = "~3.0.6"