burp-suite: Fix RuboCop Performance/MapCompact offenses

Casks/b/burp-suite.rb

@@ -16,14 +16,14 @@ cask "burp-suite" do
       all_versions = json["ResultSet"]["Results"]
       next if all_versions.blank?
 
-      all_versions.map do |item|
+      all_versions.filter_map do |item|
         item["version"] if
               item["releaseChannels"].include?("Stable") &&
               item["categories"].include?("Community") &&
               item["builds"].any? do |build|
                 build["ProductPlatform"] == arch.to_s
               end
-      end.compact
+      end
     end
   end