Merge pull request #4406 from mozilla/pyup-update-django-environ-0.4.0-to-0.4.1

Update django-environ to 0.4.1

requirements/prod.txt

@@ -159,8 +159,9 @@ django-cronjobs==0.2.3 \
 django-csp==3.2 \
     --hash=sha256:7cec78ba7c426deba6d4bea188dcfc1a8b2609ad98dd539c365605c9ec2996b2 \
     --hash=sha256:fb56c0126b4e69f854fd1581a4bef25fa7cac1f10235e95f697e297ceef88132
-django-environ==0.4.0 \
-    --hash=sha256:70cf521f87e64f4dd2aeb87ced006dc98f621e2cdb38134fbcbcf6309fde6244
+django-environ==0.4.1 \
+    --hash=sha256:f7bce5af8a4232f93a9d9e68f0afa6e276c57d8144c17bf330ebda8cc57f2cca \
+    --hash=sha256:0e22bd07b632046848c746f6e135cb568b7810201ba692a2edb3d5d6c76de34d
 django-extensions==1.6.7 \
     --hash=sha256:7c33f1be6acf7414539cfdef2967bf6240d3c9317551b5d84622dff7824cd3c6 \
     --hash=sha256:ebdfc329207231f63b5ccb591407aadbc1a524af752e52690f0646eb7ff52943 # pyup: ==1.6.7