Merge pull request #284 from projectcaluma/dependabot/pip/django-environ-0.8.1

chore(deps): bump django-environ from 0.4.5 to 0.8.1

Author: David Vogt

requirements-base.txt

@@ -1,6 +1,6 @@
 django==2.2.26
 django-cors-headers==3.7.0
-django-environ==0.4.5
+django-environ==0.8.1
 django-filter==21.1
 django-generic-api-permissions==0.2.0
 django-localized-fields==6.4