Merge pull request #146 from vycontrol/dependabot/pip/pytz-2020.5

Bump pytz from 2020.1 to 2020.5

requirements.txt

@@ -1,6 +1,6 @@
 asgiref==3.3.1
 Django==3.1.4
-pytz==2020.1
+pytz==2020.5
 sqlparse==0.4.1
 requests
 python-slugify