Merge pull request #667 from dmm-com/dependabot/pip/django-3.2.16

Bump django from 3.2.15 to 3.2.16

Author: hinashi

requirements.txt

@@ -4,7 +4,7 @@ django-debug-toolbar==3.2.4
 django-filter==2.4.0
 django-import-export==2.5.0
 django-replicated==2.7
-django==3.2.15
+django==3.2.16
 djangorestframework==3.11.2
 drf_spectacular==0.17.3
 elasticsearch==6.2.0