Merge pull request #2854 from graphite-project/dependabot/pip/whitenoise-6.7.0

Bump whitenoise from 4.1.4 to 6.7.0

Author: deniszh

requirements.txt

@@ -46,6 +46,6 @@ cairocffi
 git+https://github.com/graphite-project/whisper.git#egg=whisper
 # Ceres is optional
 # git+https://github.com/graphite-project/ceres.git#egg=ceres
-whitenoise==4.1.4
+whitenoise==6.7.0
 urllib3
 six