Update django-extensions from 2.1.0 to 2.1.1 (#3958)

requirements/dev.txt

@@ -14,9 +14,9 @@ responses==0.9.0 \
     --hash=sha256:f23a29dca18b815d9d64a516b4a0abb1fbdccff6141d988ad8100facb81cf7b3 \
     --hash=sha256:c6082710f4abfb60793899ca5f21e7ceb25aabf321560cc0726f8b59006811c9
 
-django-extensions==2.1.0 \
-    --hash=sha256:e279344c6d825adb27694755aa924702d3cc401f8fad5ad9ef2d577948778a5f \
-    --hash=sha256:c3c8524056ab1174c6fc769b0599e60f7e7797ce34f38db2effc48885a0a982c
+django-extensions==2.1.1 \
+    --hash=sha256:33f6805fa4d5fd9451d2e3532605d05ead5948dda3b9b928ea705e20744c4101 \
+    --hash=sha256:345c8a2d8e21fae46818a9db30cdb25fe6c5391d6dd39326df1a695420d1084c
 
 pytest-selenium==1.14.0 \
     --hash=sha256:c8500762082bf5b7fbb9fc37c2794a6cff6d5ebc50ede67eb29409e17461ea2f \