Merge pull request #149 from vycontrol/dependabot/pip/pytz-2021.1

Bump pytz from 2020.5 to 2021.1

requirements.txt

@@ -1,6 +1,6 @@
 asgiref==3.3.1
 Django==3.1.7
-pytz==2020.5
+pytz==2021.1
 sqlparse==0.4.1
 requests
 python-slugify