Set up Redis using the latest version of redisio

This replaces the deprecated redis cookbook. Compiles the latest version
of Redis, currently 7.0.11

Refs #488

cookbooks/redisio/attributes/redis_sentinel.rb

@@ -26,6 +26,7 @@ default['redisio']['sentinel_defaults'] = {
   'announce-port'           => nil,
   'notification-script'     => nil,
   'client-reconfig-script'  => nil,
+  'protected_mode'          => nil,
 }
 
 # Manage Sentinel Config File