Bump version to 0.7.2

- Add django-redis to deps
- Use django-redis to fix cachalot issue

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "vrobbler"
-version = "0.7.1"
+version = "0.7.2"
 description = ""
 authors = ["Colin Powell <colin@unbl.ink>"]