Merge pull request #136 from Shopify/dependabot/bundler/redis-4.5.1

Bump redis from 4.4.0 to 4.5.1

Author: Gustavo Caso

Gemfile.lock

@@ -54,7 +54,7 @@ GEM
       rack
     rainbow (3.0.0)
     rake (13.0.6)
-    redis (4.4.0)
+    redis (4.5.1)
     redis-namespace (1.8.1)
       redis (>= 3.0.4)
     regexp_parser (2.1.1)