Merge pull request #5512 from learningequality/dependabot/pip/redis-7.0.1

chore(deps): bump redis from 6.4.0 to 7.0.1

Author: bjester

requirements.txt

@@ -222,7 +222,7 @@ pytz==2022.1
     #   django
     #   django-postmark
     #   google-api-core
-redis==6.4.0
+redis==7.0.1
     # via
     #   -r requirements.in
     #   django-redis