Update Redis documentation (4.0.11)

Author: Thibaut

lib/docs/filters/redis/entries.rb

@@ -12,7 +12,7 @@ def get_type
         when 'HDEL'             then 'Hashes'
         when 'BLPOP'            then 'Lists'
         when 'SADD'             then 'Sets'
-        when 'ZADD'             then 'Sorted Sets'
+        when 'BZPOPMAX'         then 'Sorted Sets'
         when 'PSUBSCRIBE'       then 'Pub/Sub'
         when 'DISCARD'          then 'Transactions'
         when 'EVAL'             then 'Scripting'
@@ -21,6 +21,7 @@ def get_type
         when 'PFADD'            then 'HyperLogLog'
         when 'CLUSTER ADDSLOTS' then 'Cluster'
         when 'GEOADD'           then 'Geo'
+        when 'XADD'             then 'Stream'
         else 'Miscellaneous'
         end
       end

lib/docs/scrapers/redis.rb

@@ -1,7 +1,7 @@
 module Docs
   class Redis < UrlScraper
     self.type = 'redis'
-    self.release = '4.0.9'
+    self.release = '4.0.11'
     self.base_url = 'https://redis.io/commands'
     self.links = {
       home: 'https://redis.io/',