Merge pull request #274 from classy-python/bump-whitenoise

Upgrade whitenoise 5.3.0 -> 6.9.0

Author: meshy

requirements.prod.txt

@@ -91,5 +91,5 @@ urllib3==2.4.0
     # via requests
 werkzeug==3.1.3
     # via -r requirements.prod.in
-whitenoise==5.3.0
+whitenoise==6.9.0
     # via -r requirements.prod.in