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/templates/default/sentinel.conf.erb

@@ -11,10 +11,14 @@ syslog-ident redis-<%= @name %>
 syslog-facility <%= @syslogfacility %>
 <%= "logfile #{@logfile}" unless @logfile.nil? %>
 
-# bind sentinel IP
 <% if @sentinel_bind %>
 bind <%=@sentinel_bind%>
 <% end %>
+
+ <% if @protected_mode %>
+<%= "protected-mode #{@protected_mode}" %>
+<% end %>
+
 # port <sentinel-port>
 # The port that this sentinel instance will run on
 port <%=@sentinel_port%>