chore: satisfy reek by renaming block var in --out handler

Author: JuanVqz

lib/skunk/cli/options/argv.rb

@@ -24,7 +24,7 @@ def parse
             end
 
             opts.on("-o", "--out console,json,html", Array, "Output formats or file") do |values|
-              if values.all? { |v| Skunk::Config.supported_format?(v.to_sym) }
+              if values.all? { |val| Skunk::Config.supported_format?(val.to_sym) }
                 Skunk::Config.formats = values.map(&:to_sym)
               else
                 self.output_filename = values.join(",")