build(deps-dev): bump whitenoise from 6.7.0 to 6.8.2

Bumps [whitenoise](https://github.com/evansd/whitenoise) from 6.7.0 to 6.8.2.
- [Changelog](https://github.com/evansd/whitenoise/blob/main/docs/changelog.rst)
- [Commits](evansd/whitenoise@6.7.0...6.8.2)

---
updated-dependencies:
- dependency-name: whitenoise
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

poetry.lock

@@ -12,7 +12,7 @@ version = "4.2.0"
 [tool.poetry.group.main.dependencies]
 Django = {extras = ["argon2"], version = "^5.1"}
 python = "^3.10"
-whitenoise = {extras = ["brotli"], version = "^6.7.0"}
+whitenoise = {extras = ["brotli"], version = "^6.8.2"}
 wagtail = "^6.2"
 factory-boy = "^3.3.1"
 gunicorn = "^23.0.0"