Merge pull request #3289 from django-oscar/dependabot/pip/werkzeug-0.16.1

Bump werkzeug from 0.16.0 to 0.16.1

requirements.txt

@@ -1,7 +1,7 @@
 # These requirements are only necessary when developing on Oscar.
 
 # development
-Werkzeug==0.16.0
+Werkzeug==0.16.1
 django-debug-toolbar==2.1
 django-extensions==2.2.6
 psycopg2-binary>=2.8,<2.9