Merge pull request #391 from ELVIS-Project/dependabot/pip/django-3.1.14

Bump django from 3.1.13 to 3.1.14

Author: fujinaga

requirements.txt

@@ -6,7 +6,7 @@ celery==4.4.2
 certifi==2020.4.5.1
 chardet==3.0.4
 coverage==5.1
-Django==3.1.13
+Django==3.1.14
 django-debug-toolbar==2.2
 django-extra-views==0.13.0
 django-widget-tweaks==1.4.8