Merge pull request #4279 from ccnmtl/dependabot/pip/willow-1.12.0

Bump willow from 1.11.0 to 1.12.0

Author: ndittren

requirements.txt

@@ -76,7 +76,7 @@ django-flatblocks==1.0.0
 django-storages==1.14.6
 
 djangorestframework==3.16.1
-Willow==1.11.0
+Willow==1.12.0
 text-unidecode==1.3  # for faker
 html5lib==1.1