chore(deps): update dependency whitenoise to v6.12.0 (#627)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

requirements/base.txt

@@ -4,4 +4,4 @@ git+https://github.com/skorokithakis/django-cloudflare-push.git@fcfcfc57826ecb87
 django-sites==0.11
 wagtail==6.3.5
 sentry-sdk==2.8.0
-whitenoise==6.7.0
+whitenoise==6.12.0