Bump Django-Redis-Cache to 3.x branch
3.x branch is mostly a series of dropped older python versions and supported newer versions. we dont need to pin this neccessarily, but keeps it in line with our supported versions moving forwards.
https://github.com/sebleier/django-redis-cache
2.1.3 is also a known faulty version Closes #1264 (closed)
Edited by Ariel Rin